Iryna S. Mintii CEUR Workshop Proceedings 260–281 Blended learning: definition, concept and relevance to education for sustainability Iryna S. Mintii1,2,3,4,5,6,7 1 University of Łódź, 68 Gabriela Narutowicza Str., 90-136 Łódź, Poland 2 Institute for Digitalisation of Education of the NAES of Ukraine, 9 M. Berlynskoho Str., Kyiv, 04060, Ukraine 3 Kryvyi Rih State Pedagogical University, 54 Universytetskyi Ave., Kryvyi Rih, 50086, Ukraine 4 Zhytomyr Polytechnic State University, 103 Chudnivsyka Str., Zhytomyr, 10005, Ukraine 5 Lviv Polytechnic National University, 12 Stepana Bandery Str., Lviv, 79000, Ukraine 7 Academy of Cognitive and Natural Sciences, 54 Universytetskyi Ave., Kryvyi Rih, 50086, Ukraine 8 Kremenchuk Mykhailo Ostrohradskyi National University, 20 University Str., Kremenchuk, 39600, Ukraine Abstract A review of normative documents and scientic sources on Computer Science teacher training is made. Based on this, the contradictions that actualize the topic of the study are highlighted. The article aims to answer two research questions: 1) What is the appropriate Ukrainian scientic term for “blended learning” given the country’s European integration processes? 2) What is the meaning of the term “blended learning”? The analysis concludes that the appropriate Ukrainian scientic term for “blended learning” is “kombinovane navchannia”. The article denes blended learning as a planned, pedagogically balanced, adaptive combination, interpenetration, and integration of technologies (face-to-face and distance learning, formal and non-formal learning, real and virtual, individual and collective learning) to optimally meet the educational needs of the subjects of the educational process using intelligent ICTs. Keywords blended learning, computer science education, teacher training 1. Introduction One of the Sustainable Development Goals (SDGs), which is stated in “Transforming our World: the 2030 Agenda for Sustainable Development”, is SDG 4: “Ensure inclusive and equitable quality education and promote lifelong learning opportunities for all” [1, p. 18]. Revealing the ways to achieve SDG4, UNESCO emphasizes that “teachers are the key to achieving all of the SDG4 targets, ... as teachers are a fundamental condition for guaranteeing quality education, [they] should be professionally qualied, and supported within well-resourced, ecient and e‌ectively governed systems” [2, p. 15]. “A holistic and coherent curricular approach will require alignment between curriculum content, assessment, teacher training” [2, p. 18]. The European Commission, in its “2030 Digital Compass: the European Way for the Digital Decade” states that “in just one year, the COVID-19 pandemic has radically changed the role and perception of digitalization in societies” [3, p. 1], and digital technologies have become an imperative in education. The rst step on the European path is digital professionals and a digitally literate population capable of recognizing disinformation and defending themselves against cyberattacks, living and working in an information society whose members learn from an early age to understand how to process large amounts of information presented online. Concerning systematic (formal) education and training, the European Commission emphasizes the importance of deep integration of digital technologies into school and university methods and forms of teaching in all subjects. At the same time, personality-oriented digital learning tools create conditions for educational innovation and enable teachers to apply new teaching methods [4]. AREdu 2024: 7th International Workshop on Augmented Reality in Education, May 14, 2024, Kryvyi Rih, Ukraine " mintii@iitlt.gov.ua (I. S. Mintii) ~ https://acnsci.org/mintii/ (I. S. Mintii)  0000-0003-0789-0272 (I. S. Mintii) © 2025 Copyright for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0). CEUR ceur-ws.org Workshop ISSN 1613-0073 Proceedings 260 Iryna S. Mintii CEUR Workshop Proceedings 260–281 To ensure quality digital education, the European Commission recommends, particularly [4, p. 12-17]: • support the research, development, and testing of digital educational tools and new technologies, including augmented, virtual, and augmented reality, articial intelligence, robotics, and the metaverse; • introduces a mandatory component of professional training for future teachers – “ICT in Educa- tion”; • ensure the development of digital competencies of teachers in the system of continuing education; • recognize and encourage exible, accessible, and innovative forms of digital professional develop- ment, such as online learning, short-term courses, national and international mobility programs, peer learning, collaborative projects, networks, and communities of practice and research; • reects the need for digital well-being in teaching and learning and the development of digital technologies and environments to support them; • invest in high-speed Internet connections to ensure equal access for all students, modernizing digital classroom equipment and providing all teachers with personalized devices (desktop, mobile, or tablet) to enhance their teaching and learning activities, and deploying and integrating relevant centralized services, including cloud-based services, such as learning management systems. The European Commission in “Council Recommendation on blended learning approaches for high- quality and inclusive primary and secondary education” of November 29, 2021 [5, p. 23], while fully recognizing the value of face-to-face learning, points out that learning in di‌erent environments, including school, home, outdoors, cultural sites, workplaces, and digital environments, can motivate children and young people to develop their competencies in general and increase the quality of education and inclusiveness of learning through blended learning approaches. At the same time, using digital technologies provides an opportunity to support learning in di‌erent environments and contexts, and the acquisition of the necessary digital and media competencies can be supported through blended learning. The European Commission recommends the use of blended learning to ensure high-quality primary and secondary education through [5, p. 26]: • developing blended learning methodologies aimed at ensuring a lasting positive impact on teaching and learning, adapted to the age, abilities, specic needs, and learning goals of students: developing and implementing learning tools, in particular for the development of science, digital and media competencies; supporting learning in di‌erent environments; creating an appropriate balance between teacher-led and self-directed learning on the one hand and collaborative learning on the other; developing new learning technologies; • developing and disseminating training materials for teachers on the organization of blended learning; • implementation of blended learning in the system of teacher training and retraining; • establishing expert centres to develop approaches to blended learning and implement best prac- tices; • supporting the professional development of teachers and educational leaders through massive open online courses on blended learning; • providing schools with tools and resources for blended learning, as well as guidelines for their e‌ective use; • developing recommendations for the use of articial intelligence to improve curricula; • supporting the development of resources and evidence-based recommendations for pedagogical design and organization of blended learning, including possible digital tools, approaches to learning assessment, data protection, privacy, and security on the Internet. “Digital Education Action Plan 2021-2027” [6] denes the European approach to education in the digital age and considers the development of digital competencies as a strategic priority. The Digital 261 Iryna S. Mintii CEUR Workshop Proceedings 260–281 Education Action Plan states that a deep understanding of the digital world should be part of formal and non-formal education. This is especially important in the context of digital transformation and the impact of new digital tools, in particular those based on generative articial intelligence systems. “Council Recommendation on blended learning approaches for high-quality and inclusive primary and secondary education” [5] calls on EU countries to make e‌orts to accelerate the development of digital competencies of students and teachers and points out that in primary and secondary education, digital competencies are developed through a combination of di‌erent approaches, primarily within a single subject – Computer Science (computational thinking), as well as in the teaching of other STEM disciplines. In “Council Recommendation on improving the provision of digital skills and competencies in education and training” [7] of November 23, 2023 Computer Science is considered “a distinct scientic discipline characterized by its own concepts, methods, body of knowledge, and open issues. It covers the foundations of computational structures, processes, artefacts, and systems, and their soffiware designs, their applications, and their impact on society” [7, p. 9]. “Council conclusions on European teachers and trainers for the future” [8] emphasize that teachers are a driving force that should be involved in the development of education and training policies and supported through a comprehensive approach to their teacher education, teacher training, and continu- ing professional development, including digital competencies. In addition, the European Commission’s structured dialogue with EU Member States on digital education and digital competencies has high- lighted the challenges faced by most Member States in recruiting (attracting), retaining, and training teachers, especially Computer Science teachers (for primary, secondary and vocational education) [7, p. 12]. To improve digital competencies, the European Commission recommends [7, p. 16-20]: • develop digital competencies in primary, secondary, and vocational education, with a particular focus on acquiring skills to understand digital technologies and to use them safely and responsibly; • encourage and facilitate the participation of schools in the Digital Education Hackathon and EU Code Week as a means of digital-based cross-curricular integration; • promote an interdisciplinary approach to the development of digital competencies in di‌er- ent subject areas, especially science, technology, engineering, arts, and mathematics (STEAM) education; • improve professional orientation activities for the profession of Computer Science teacher (com- putational thinking) for primary and secondary education and teacher of Computer Science disciplines for higher education with a high level of psychological, pedagogical, and methodologi- cal training; • promote both the involvement of IT professionals in the work of teachers of informatics and the internships of teachers in IT enterprises, as well as their continuous professional development; • support quality Computer Science education in primary and secondary schools through – teaching informatics as a separate school subject based on scientically sound methodology; – providing Computer Science education by qualied teachers with access to quality educa- tional resources; – inclusive and balanced teaching of Computer Science; – exchange of best practices in Computer Science education. The commission intends to support reform e‌orts for digital skills and competencies development and high-quality informatics or computational thinking [7, p. 28]. In previous doctoral thesis research, several problems and tasks related to: • involvement of students in combined learning [9], its impact on student’s motivation, performance, and behaviour [10, 11, 12]; • methodologies for course development, assessment [13, 14, 15, 16, 17] and scaling courses for blended learning [18]; 262 Iryna S. Mintii CEUR Workshop Proceedings 260–281 • blended learning of foreign languages [19], Computer Science [20, 21, 22, 23], mathematics [24]; • blended learning in vocational education institutions [25, 11]; • blended learning of future specialists in philology [26, 27], physical education and sports [28], information technologies [29, 30, 21]; • blended learning of future teachers [31, 32, 33], in particular, foreign languages [34, 35, 36], primary school [37], Computer Science [38]; • blended learning in teacher professional development [39, 40, 41, 42]; • professional training and retraining of teachers to implement blended learning [43, 44, 45, 46]. At the same time, the analysis of regulatory documents and scientic sources on the research problem made it possible to identify several contradictions: • between the existing European requirements for the professional competencies of Computer Science teachers and the lack of national standards for the training of Computer Science teachers; • between the potential of intelligent technologies and the lack of methods of their use for the implementation of blended learning; • between the need to form professional competence in the eld of blended learning in future Com- puter Science teachers and the lack of development of its structure, components, and diagnostic tools. Resolving these contradictions requires solving the problem of substantiation and developing theo- retical and methodological foundations for designing a methodological system of blended learning for future Computer Science teachers, which led to the choice of the research topic. The author’s previous research has attempted to address certain issues in this area, including sys- tematic analysis of scientic sources on the use of blended learning in teacher training and retraining [47, 48], and an analysis of students’ needs for distance/blended learning in wartime [49]. The purpose of the article is to substantiate the answer to two research questions: 1. Based on the intensication of European integration processes in Ukraine, which scientic term best corresponds to the term “blended learning”? 2. What is the meaning of the term “blended learning”? 2. Blended learning – zmishane (mixed) or kombinovane (combined)? In Ukrainian studies, both the terms “mixed learning” and “combined learning” are offien used [50, 51, 52, 53, 54, 55]. The English translation of the word can explain this variation “blended” – mixed or combined. In ocial documents, the term “mixed learning” is mostly used [56, 57, 58]. Let’s analyze the approaches to translating “blended learning” in the free encyclopedia Wikipedia, Wiktionary, and scientic sources (table 1). In this case, the materials from Wikipedia and Wiktionary are used rather to reect the current state of public opinion. Here are the generalized results of using di‌erent translations of the term “blended learning” on the map (gure 1), where we mark the countries where the term “mixed learning” is used with a red marker, green – “combined learning”, blue – “blended learning” and yellow – the own term. We will also map the auxiliary words used to dene the term, where countries that use the word “combining” are marked with a green marker, “mixing” with a red marker, and both “mixing” and “combining” with a blue marker (gure 2). In the Great Explanatory Dictionary of the Modern Ukrainian Language, “combination” means a connection, conjunction, or arrangement of something homogeneous in a certain order [59, p. 558]. “Combined – which is a combination of something” [59, p. 558]. “Mixed – 1) consisting of something di‌erent, heterogeneous; 2) lacking the usual order, disorderly; jumbled, mixed up” [59, p. 467]. 263 Iryna S. Mintii CEUR Workshop Proceedings 260–281 Table 1: Approaches to the denition of the term “blended learning”. Concept Language, Denition (words used concept to dene) Ukrainian, A type of hybrid methodology that combines online learn- mixed learning zmishane navchan- ing, traditional and independent learning. It means not just nia [60, 61, 51, 52, the use of modern interactive technologies in addition to 53, 54], kombino- traditional ones but a qualitatively new approach to learning vane navchannia that transforms and sometimes even “turns” the classroom [62, 63, 64] Albanian, është një qasje ndaj arsimit dhe edukimit që kombinon mate- mixed learning mësimi i përzier riale arsimore në internet dhe mundësi tjera për ndërveprim (“combining”) [65, 66] në internet me metodat tradicionale të mësimdhënies klasore në shkollë English, the combination of online educational materials and interac- blended learning blended learning tions with traditional classroom teaching (“combining”) [67, 68, 69, 70] Bulgarian, хибридно или смесено обучение е подход в ученето и гiбридне, змiшане хибридно обуче- съответно в педагогиката в образованието, който навчання ние [71, 72] съчетава онлайн образователни материали и възможности за взаимодействие онлайн с традиционни методи на класната стая или студентска зала, като лекционна среда Danish, er et begreb der anvendes inden for uddannelsesverdenen. blended learning blended learning Det betegner typisk kombinationen af e-learning og tilst-(“combining”) [73, 74, 75] edeværelseskurser, f.eks. instruktørledede kurser Estonian, on õppevorm, mille puhul osa õppest toimub lähiõppena ja – põimõpe [76] osa veebiõppena või paindõppena Spanish, el aprendizaje semipresencial (en inglés blended learning o semi-present learn- aprendizaje semi- b-learning) se reere a la combinación del trabajo presencial ing (“combining”) presencial [77, 78] (en aula), y del trabajo en lónea (combinando Internet y medios digitales), en donde la persona que es estudiante puede controlar algunos factores como el lugar, momento y espacio de trabajo Italian, nella ricerca educativa si riferisce ad un mix di ambi- mixed, hybrid learn- apprendimento enti d’apprendimento diversi. Esso combina il metodo ing (“mixing”, “com- misto [77, 78] tradizionale frontale in aula con attivit à mediata dal com- bining”) puter (ad esempio apprendimento online, uso di DVD, ecc.) e/o da sistemi mobili (come smartphone e tablet) Catalan, aprenentatge que combina els elements de l’aprenentatge mixed learning aprenentatge electrònic no presencial i els de l’aprenentatge tradicional a (“combining”) mixt [79, 80] l’aula Dutch, eén denitie is “een combinatie van online leren en contac- blended learning blended learning tonderwijs”, een andere “een combinatie van campusonder-(“combining”) [81, 82, 83] wijs en e-learning” German, bezeichnet eine Lernform, bei der die Vorteile von integrated learning integriertes ler- Präsenzveranstaltungen und E-Learning kombiniert werden (“combining”) nen [84, 85, 86] sollen 264 Iryna S. Mintii CEUR Workshop Proceedings 260–281 Continuation of the table 1 Concept Language, Denition (words used concept to dene) Norwegian, er et begrep som benyttes innenfor utdanning og beteg- blended learning blandet læring ner vanligvis en kombinasjon av ere ulike tilnærminger (“combining”) [87, 88] til læring som e-læring og eksempelvis kurs ledet av en instruktør. Det kan også være ulike kombinasjoner som ek- sempelvis selvstudier, e-læring og gruppediskusjoner via Internett Polish, mieszana (zintegrowana, hybrydowa) metoda kształcenia, mixed learning (inte- blended learning ła˛cza˛ca tradycyjne metody nauki (bezpośredni kontakt z grated, hybrid learn- [89, 90, 91] prowadza˛cym) z aktywnościami prowadzonymi zdalnie za ing) pomoca˛ komputera (M-learning) Portuguese, é um derivado do e-learning, e refere-se a um sistema de blended learning, blended learning formação onde a maior parte dos conteúdos é transmitido mixed, combined [92, 93, 94] em curso à distância, normalmente pela internet, entretanto learning inclui necessariamente situações presenciais, daí a origem da designação blended, algo misto, combinado Romanian, reprezintă procesul ı̂ncorporării a diverse stiluri de ı̂nvăţare, mixed learning ı̂nvăţare mixtă care se pot realiza prin intermediul resurselor zice şi vir- [95] tuale mixte Serbian, obrazovni program (formalni i neformalni) koji kombinuje mixed learning mešano učenje onlajn digitalne medije sa tradicionalnim metodama koji se (“combining”) [96] koriste u učionici. Ono zahteva zičko prisustvo i nastavnika i učenika. Učenici i dalje pohadaju tradicionalne škole u kojima je prisutan nastavnik, ali “lice u lice” predavanja su kombinovana sa aktivnostima na kompjteru Slovak, kombinácia štandardnej výuky (prezenčnej, prezentačnej, combined learning kombinované face-to-face) s e-learningom. Kombinované vzdelávanie vzdelávanie [97, 98] sa snaží kompenzovať niektoré nevýhody e-vzdelávania pri plnení vzdelávacích cieľov kombináciou s prvkami štandardnej výuky, kedy je napríklad kombinovaný v distančnom štúdiu e-learningový kurz s úvodným či záverečným seminárom alebo workshopom. Tento prístup je vhodný predovšetkým tam, kde cieľová skupina nie je zvyknutá používať moderné komunikačné nástroje, ako je chat, diskusné fórum, videokonferencie a pod Slovenian, koncept učenja in poučevanja, pri katerem se spajajo in combined learning kombinirano učenje mešajo različni učni slogi in se uporabljajo najrazličnejši (“mixing”) [99, 100, 101] učni pripomočki – od virtualnih do zičnih. Učni slogi se nanašajo na številne različne načine, ki jih ljudje uporabl- jajo pri učenju. Kombinirano učenje prav učnim slo- gom daje prednost: na eni strani z vključevanjem najra- zličnejših nalog in dejavnosti v pouk, na drugi pa z uporabo računalniške tehnologije, e-gradiv, interakcije med mentor- jem in udeleženci ter med samimi udeleženci učnega procesa oz. tečaja 265 Iryna S. Mintii CEUR Workshop Proceedings 260–281 Continuation of the table 1 Concept Language, Denition (words used concept to dene) Hungarian, egy újabb oktatási forma, amelyben az internet és a digitális blended learning blended learning média nyújtotta lehetőségeket és a hagyományos tantermi [102, 103, 104] oktatás módszereit együttesen használják. Tananyag el- sajátítása közben az oktató ellenőrző és segítő szerepe megmarad: ebben a modellben fontos szerepet kap a személyes kontaktus, az órák megadott helyén és idején való személyes részvétel, míg az online tér tanulástámogató felületein keresztül a diákok szintén kapcsolatba léphetnek a tanárokkal és egymással is Finnish, tarkoittaa oppimisen ympäristöjen sulautumista. Op- – sulautuva pimisympäristön sulattaminen tarkoittaa esimerkiksi sitä, oppiminen että luokkahuone ja virtuaalinen oppimisympärist ö sulaute- [105, 106, 107] taan yhdeksi kokonaisuudeksi, jossa oppiminen tapahtuu. Usein opetuksen sulauttaminen tarkoittaa, että sulautetaan synkronista ja asynkronista opetusta French, est une formule pédagogique qui résulte d’une combinaison hybrid, mixed learn- apprentissage hy- de séquences de formation en ligne (e-learning) et de for- ing (“combining”) bride [108, 109, 110] mation en présentiel. Elle o‌re certains avantages comme un espace de travail plus collaboratif pour les apprenants. L’utilisation des technologies de l’information et de la com- munication donne l’opportunité à l’apprenant d’avoir, dans une certaine mesure, un contrôle sur le temps, le lieu, les moyens et la vitesse1. À ce titre, on distingue l’apprentissage synchrone: les formateurs et les éléves suivent en même temps un module de formation et asynchrone : les éléves suivent de façon di‌érée grâce à des ressources pré-établies par l’enseignant (vidéo, diaporama, contenu interactif...) Czech, označení pro kombinovanou výuku, tedy pro kombinaci blended learning blended learning standardní výuky (prezenční, prezentační, face-to-face) s e-(“combining”) [111, 112, 113] learningem. Jedná se o specickou formu vzdělávání, která kombinuje tradiční metody výuky s online studijním obsa- hem. Využívá různé kombinace tradižního vzdělávání tváří v tvář (face-to-face), e-learningu a individuálního vzdělávání vlastní rychlostí (self-paced learning). Účelem je, aby se jednotlivé metody navzájem doplňovaly Swedish, avser just en blandning av olika lärmiljöer. Blended learn- blended learning blended learning ing kombinerar traditionella klassrumsmetoder med mer (“combining”) [114, 115, 116] moderna datormedierade aktiviteter According to the Law of Ukraine “On Education” [117] “educational process – a system of scientic, methodological and pedagogical measures aimed at developing a personality through the formation and application of its competencies”. “System” is an order caused by the correct, systematic arrangement and interconnection of something [59, p. 1320]. The analysis made it possible to answer the rst research question: based on the intensication of European integration processes in Ukraine, the scientic term that best corresponds to the concept of “blended learning” is “kombinovane navchannia (combined learning)”. 266 Iryna S. Mintii CEUR Workshop Proceedings 260–281 Figure 1: The term “blended learning” on the European map: the red marker indicates countries where the term “mixed learning” is used, the green marker indicates “combined learning”, the blue marker indicates “blended learning”, and the yellow marker indicates its own term. 3. Is blended learning a form, a method, a technology, a learning strategy, or what? In a critical review, Oliver and Trigwell [118] concluded that the term blended learning simply requires two or more di‌erent kinds of things that can be combined. It is argued that the breadth of interpretations means that almost anything can be considered blended learning. Driscoll [119] also states that blended learning uses several components. It can be a combination of methods based on web (online) technologies, pedagogical approaches, learning technologies, and face-to-face learning meetings, and the following combinations can be considered: e-learning with traditional learning, online learning with face-to-face learning, combination of media, combination of learning theories, methods, etc. According to National Education Act of blended learning 2542 [120], blended learning is learning that combines the benets of classroom (face-to-face) instruction with online learning for content delivery, activities, and assessment. Cross and Moore [121] dene blended learning as a stepping stone to the future, and Rossett and Frazee [122] note that blended learning integrates seemingly opposing approaches such as formal and informal learning, face-to-face and online learning, self-directed and guided learning, and digital reference materials and face-to-face contact to achieve individual and institutional [learning] goals. Graham [68] identies three common denitions of blended learning: “a combination of forms of 267 Iryna S. Mintii CEUR Workshop Proceedings 260–281 Figure 2: Definition of “blended learning” on the European map: countries that use the word “combining” are marked with a green marker, “mixing” with a red marker, “mixing” and “combining” with a blue marker. learning (or means of learning), a combination of learning methods, and a combination of face-to-face and online learning”. Hubackova and Semradova [123] characterize blended learning as “a combination of face-to-face (contact) learning with a teacher and self-directed learning using online learning” [123, p. 551]. Many studies determine that the primary goal is to ensure that face-to-face and online teaching and learning complement each other, combining di‌erent advantages (Bicen et al. [124], Çakır and Bichelmeyer [125], Deschacht and Goeman [126]). Garrison and Kanuka [127] interpret blended learning as “deliberate integration of face-to-face learning activities with online learning” [127, p. 96]. Allen and Seaman [128] dene “blended learning course as a course that combines online and face-to- face learning. Much of the content is delivered online, online discussions are commonly used, and there are usually fewer face-to-face meetings. Similarly, Hrastinski [115], notes that all types of education that contain some aspects of face-to-face and online learning can be dened as blended learning. Allen et al. [129], Bonk and Graham [70], Khlaisang [130, 131], Waterhouse [132], Wilson and Smilanich [133] dene the following ratio of online and face-to-face learning – 30-79% online and face-to-face learning at the level of 21-70%; Bernardet al. [134], Porter et al. [135] estimate that at least 50% of the total learning time should be face-to-face. Diep et al. [136] distinguish two di‌erent approaches to blended learning, one of which contains 25% online learning, the other – 50% online. Online courses are dened as those that provide at least 80% of the content online [129, p. 5]. In [137, p. 2] it is noted that “as e-learning has become an agent of global change in higher education, it has 268 Iryna S. Mintii CEUR Workshop Proceedings 260–281 become more diverse in its form and application”. “This diversity complicates the ability to share research ndings and best practices, as there is a lack of a common set of denitions to distinguish between the many variations in the eld of e-learning” [138]. Ultimately, Shibley [139] states that “the advantage of blended learning is that the variety of combi- nations of face-to-face and online combinations is seemingly endless. In all cases, however, the goal is to use technology to make face-to-face learning more e‌ective than it would be without online enhancements” [139, p. 6]. Finally, it is up to the teacher to decide what is taught face-to-face and what is taught online. Blended learning encourages independent, autonomous, self-regulated, and collaborative learning (Ruiz Bolívar [140]), and blended learning involves both face-to-face and virtual (online) classes, which leads to interactivity and motivation through the collaboration of students and teachers (Gonzalez Aldana et al. [141, p. 145]). Blended learning includes a face-to-face mode to help students clarify their issues, and teachers further enhance the level of mastery of the course (Gonzalez Aldana et al. [141, p. 147]). When comparing blended learning and e-learning, scholars determine they have somewhat similar characteristics: physical separation of students and teachers, use of ICT tools, and independent learning. However, e-learning is based on online learning with the use of ICT tools, and blended learning uses ICT tools to develop the learning process best (Estrada Lizárraga [142]). In e-learning, a lower success rate is achieved because distance learning does not include dynamic collaboration processes, which allows for a high non-completion rate. Since online consultations are not sucient to cover all students’ questions, the interaction between teacher and student is lost (Antúnez Sánchez et al. [143]). Blended learning provides an opportunity for students to interact more with both peers and teachers – not all classes are online; some are face-to-face, but the student has a exible schedule. Jachin and Usagawa [144] dene that “e-learning is becoming a driving force for pedagogical and technological innovations in the world’s higher education institutions. The most practical form of e-learning in higher education is blended learning”. Picciano [145] adds that “interestingly, there are few estimates of the number of students enrolled in blended learning courses. Although it is generally recognized that blended learning ts well into the mainstream of American higher education, there is no data to document this. Why is this so? First, blended learning has become so widespread that many teachers do not necessarily identify themselves as blended learning teachers when in fact they are... The mystery and aura of teaching online that existed in the mid to late 1990s is disappearing”. Masie [146] observes that the ““e” in e-learning is disappearing, and it’s all just learning”. “Second, it is dicult for colleges and universities to keep accurate records of faculty teaching blended learning courses” [145]. Highly appreciating the role of ICT (both hardware and soffiware), “National Education Act of B.E. 2542” [120] also emphasizes the importance of communication, assessment, the role of the teacher/student, and the methodology itself. Galvis [137] expands on the above denition and characteristic features of blended learning: learning takes place in di‌erent learning environments – formal (e.g. classroom), informal (e.g. workplace, communities of practice), and informal (e.g. media, websites), based on the strengths of each. It also emphasizes the role of ICT – “the decisive role in blended learning is played not only by the teacher but also by ICT technologies[137]. Blended learning provides great opportunities for learning the subject. Thanks to ICT tools, students have a high level of satisfaction (up to 90%) [141, p. 146]. Blended learning means more than a simple combination of components, and the purpose of using this combination is to make the learning process as convenient as possible, while at the same time stimulating students to learn in other ways (Picciano [145, p. 4]). Analyzing blended learning, Jachin and Usagawa [144, p. 1482] conclude that the most common reason for choosing blended learning is that it combines the “best of both worlds” (face-to-face and online learning). Procter [147, p. 3] emphasizes that blended learning requires “an e‌ective combination of di‌erent learning modes, models, and styles”. Summarizing the research of Dick et al. [148] and Holden et al. [149] in Mirriahi et al. [150], they dene blended learning as the process of integrating the most appropriate learning and teaching 269 Iryna S. Mintii CEUR Workshop Proceedings 260–281 strategies, technologies, and/or tools to provide meaningful, exible learning activities to achieve results. The goal of blended learning is to provide more exibility and focus on educational comfort, where the student can learn dynamically and get a positive result. In the learning process, the teacher and student are physically separated. In this mode, the student starts learning independently. The main features of blended learning are its adaptability, emphasis on the development of cognitive skills, improving understanding and application of acquired skills, solving future problems, making decisions using ICT, speed in communication, development and updating of content (Gonzalez Aldana et al.[141, p. 147]). “Blended learning is the most favourable form of learning at all educational levels, as it covers di‌erent areas of the educational process, facilitating the perception of course content by students” [141, p. 147]. In higher education, blended learning has become widespread due to its exibility, which allows teachers to integrate various educational technologies into the educational process. In addition, teachers can o‌er more e‌ective teaching by implementing student-centred learning. Students can access content anywhere and anytime (Khlaisang and Likhitdamrongkiat [151, p. 760]). They can participate and exchange ideas, both face-to-face in the classroom and in an online environment. In this way, teachers can improve students’ cognitive skills and attitude towards face-to-face learning. Personalization with blended learning is also emphasized by Hubackova and Semradova [123, p. 552], noting that “the main advantage of blended learning is an individualized learning environment. Each student chooses his/her own pace, place, and time, which is most favourable for learning. Immediate feedback plays an important role. Blended learning provides verication of the learner’s e‌orts and an overview of the results achieved. It offien makes it possible to compare anonymously with other learners. This fact is highly appreciated by them”. Among the benets of blended learning, Zacharis [152] cites the following: “Blended learning facilitates learning outside the classroom since the teacher and students have limited time in the classroom, the lesson can be continued online”. Other examples of such examples include “preparing for face-to-face activities, such as ipped classroom, video lectures at home so that the time spent in the classroom is maximized for discussing the subject and for student-centered activities (e.g., group work)” (Tan and Hew[153]). The analysis conducted by Torres-Coronas and Vidal-Blasco [154] synthesizes the opinions of the main stakeholders of the educational process in higher education institutions: management, students, and teachers. The study shows that blended learning improves the quality of student learning, strengthens academic performance, and encourages the teaching sta‌ to innovate in the educational process continuously. The goal of blended learning is to maximize the benets of both face-to-face and online learning (Pavla et al. [155]), and Shibley [139, p. 5] adds that “blended learning is not just a way to minimize face-to-face learning...a well-designed course creates learning opportunities that did not exist before. Derntl and Motschnig-Pitrik [156], Garrison and Kanuka [127], and Twigg [157] agree that simply adding technology to a traditional classroom does not make blended learning e‌ective. Jachin and Usagawa [144] argue that the use of blended learning in higher education institutions can increase the quality of learning. Developing and implementing BL courses in a specic situation, as well as reviewing and evaluating the quality, will not only allow sharing the experience with similar higher education institutions but will also contribute to general quality research in higher education. In [158], it is noted that the integration of face-to-face and online learning contributes to the im- provement of face-to-face learning. Blended learning improves student engagement through online activities and increases eciency by reducing lecture time. At the same time, implementing blended learning is a challenge for teachers with low digital compe- tence (Mirriahi et al. [159]). Therefore, teachers need help with professional development, including demonstrating the benets of blended learning (Chen et al. [160]). It is also necessary to recognize that ’innovation does not happen without tension, and in fact, it is a tension that provides some of the energy that can drive innovation (Owen and Dunham [161, p. 100]). Among the disadvantages of blended learning, other scholars also highlight its sometimes inadequate understanding by students, the diculty of using it in some educational elds, dependence on techno- logical equipment, and again, high requirements for teacher training (Hubackova and Semradova [123, 270 Iryna S. Mintii CEUR Workshop Proceedings 260–281 p. 552]). Galvis [137] emphasizes both individual teacher initiatives and the need for institutional support for blended learning to “rethink the fundamental processes present in the education value chain, aligning technological, administrative and nancial support processes with these fundamental processes by the desired combination parameters” [137, p. 9]. Shibley [139, p. 4] identies several important emphases in the organization of blended learning, which can be briey dened as the triad of motivation-assessment-learning activities. Dziuban et al. [162] dene blended learning as a pedagogical approach that combines the e‌ectiveness and socialization opportunities of the classroom with the technologically enhanced opportunities for active learning in the online environment rather than as a ratio of learning modes. In other words, blended learning should be seen not just as a temporary construct but rather as a fundamental redesign of the learning model with the following characteristics: personalization of learning (moving from lecture to student-centred instruction; increased interaction between student-teacher and among students, and e‌ective assessment mechanisms. The review provided an opportunity to answer the second research question about the content of the concept of “blended learning”: blended learning is a planned, pedagogically balanced, adaptive combination, interpenetration and integration of technologies (face-to-face and distance learning, formal and non-formal learning, real and virtual, individual and collective learning) to optimally meet the educational needs of the subjects of the educational process using intelligent information and communication technologies. A central aspect highlighted in this denition is the role of intelligent technologies, such as machine learning models and methods for processing big data in the educational process. These technologies hold the potential to predict potential crises at the learner and system levels, enabling adaptive and personalized learning experiences: 1. Learning analytics and personalization intelligent ICTs like machine learning models can analyze data on learner activities, engagement, emotions, stress levels, etc., to enable individualization and personalization of learning paths, activities, and assessments based on each learner’s needs [163, 164]. 2. Automated support and feedback AI systems can automatically monitor online sessions, identify patterns of interest/disengagement and provide customized support, feedback and interventions in real-time to keep learners engaged and on track [165]. 3. Virtual and immersive learning technologies like virtual reality, augmented reality and AI-driven simulations can create highly immersive and experiential learning environments, especially valuable for domains like computer science, which require interaction with abstract concepts [166, 167] 4. AI-powered tutoring systems can guide learners through concepts, provide step-by-step problem- solving support, and adapt their inputs based on the learner’s knowledge state [168]. 4. Conclusions and prospects for further research The answers to the research questions obtained in the course of the study made it possible to dene blended learning terminologically as combined learning and content-wise as a planned, pedagogically balanced, adaptive combination, interpenetration and integration of technologies (full-time and distance learning, formal and non-formal learning, real and virtual, individual and collective learning) to optimally meet the educational needs of the subjects of the educational process using intelligent technologies. Implementing blended learning provides access to big data on the educational process and the possibility of using intelligent technologies (primarily machine learning models and methods) to process them and predict possible crises at the level of learners and the system. In particular, intelligent technologies make it possible to determine the degree of interest of participants in an online class, their emotional state, stress level, etc., which creates conditions for automating individualization and personalization of learning. Therefore, the main concepts that need to be considered for developing a 271 Iryna S. Mintii CEUR Workshop Proceedings 260–281 blended learning system should be personalization of learning, intellectualization, big data, learning analytics, virtualization of learning, and immersion based on student experience. Accordingly, it is planned to study the following dimensions of blended learning: philosophical – the ratio of real and model (virtual) in learning; psychophysiological – individualization of learning based on the emotional state, stress level, etc; sociological – the ratio of individual and collective, face-to-face and distance learning, desired and forced mobility of learners; organizational and pedagogical – the ratio of formal and informal learning; information technology – the ratio of traditional and intelligent technologies in learning, accessibility and scienticity, real and virtual visibility; synergistic – the ratio of classical machine learning methods and methods of studying complex systems to identify crisis phenomena. Acknowledgments: I express my sincere gratitude for the help, inspiration, and support of my scientic advisor, Serhiy O. Semerikov. Declaration on Generative AI: The authors have not employed any Generative AI tools. 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