=Paper=
{{Paper
|id=Vol-2992/icaiw_aiesd_2
|storemode=property
|title=Pedagogical model to develop virtual learning objects for people with hearing impairment
|pdfUrl=https://ceur-ws.org/Vol-2992/icaiw_aiesd_2.pdf
|volume=Vol-2992
|authors=Karen Martinez-Zambrano,Jhon Paez,Hector Florez
|dblpUrl=https://dblp.org/rec/conf/icai2/Martinez-Zambrano21
}}
==Pedagogical model to develop virtual learning objects for people with hearing impairment==
https://ceur-ws.org/Vol-2992/icaiw_aiesd_2.pdf
Pedagogical model to develop virtual learning
objects for people with hearing impairment
Karen Martinez-Zambrano, Jhon Paez and Hector Florez
Universidad Distrital Francisco Jose de Caldas, Bogota, Colombia
Abstract
Information and Communication Technologies (ICT) have become very important for the educational
system thanks to the development of Virtual Learning Objects VLO. Nevertheless, when VLOs are used
by students with hearing impairment, they must be designed considering inclusive design conditions to
ensure proper interactions. Thus, students with specific disabilities might use VLOs to facilitate their
learning processes. Then, in this paper, we propose an approach to the conceptual design of a model for
the technological, pedagogical, and cognitive articulation that can be implemented in the construction
of a VLO.
Keywords
Pedagogical Model, Virtual Learning Object, Design Conditions, Sign Language
1. Introduction
Information and Communication Technologies (ICT) have been incorporated into the edu-
cational system through the development of Virtual Learning Objects VLO, which are tools
that can facilitate the teaching process in the educational community. However, VLOs do not
normally consider inclusive design conditions such as language and didactic structure. The
absence of these conditions are causing difficulties in the development of skills that can occur
in communities with some type of disability, such as hearing impairment.
The interaction between a person with a hearing disability and VLOs is essential to improve
cognitive processes by developing and strengthening learning skills in different areas of knowl-
edge. When this interaction is not carried out properly, the potential of technological tools
may be wasted. As consequence, students with hearing disabilities could generate several
deficiencies while learning in different areas of knowledge such as mathematics.
In this way, this work proposes a conceptual model which merges technological, pedagogical,
and cognitive principles that can be considered in the construction of a VLO to help to mitigate
the difficulties that arise in the teaching processes of one mathematics area which is Euclidean
geometry.
This work is structured as follows. Section 1 shows the theoretical framework, which explains
the relevant concepts associated with the technological, cognitive, and pedagogical-didactic
ICAIW 2021: Workshops at the Fourth International Conference on Applied Informatics 2021, October 28–30, 2021,
Buenos Aires, Argentina
" kbmartinezz@correo.udistrital.edu.co (K. Martinez-Zambrano); jjpaezr@udistrital.edu.co (J. Paez);
haflorezf@udistrital.edu.co (H. Florez)
0000-0003-2223-9883 (J. Paez); 0000-0002-5339-4459 (H. Florez)
© 2021 Copyright for this paper by its authors. Use permitted under Creative Commons License Attribution 4.0 International (CC BY 4.0).
CEUR
Workshop
Proceedings
http://ceur-ws.org
ISSN 1613-0073 CEUR Workshop Proceedings (CEUR-WS.org)
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Karen Martinez-Zambrano et al. CEUR Workshop Proceedings 62–73
context. Section 2 presents the related work, which has been developed through a conceptual
analysis of the position of different authors to compile the research carried out. Section 3 presents
our approach to the conceptual design of a pedagogical model made up of the components of
the technological, cognitive, and pedagogical-didactic context. Section 4 discusses the results.
Section 4 exposes the future work. Finally, section 5 concludes the work presented.
2. Background
This section presents the theoretical bases and concepts that are relevant for the development
of this work.
2.1. Learning Process based on VLOs
The learning process based on VLOs corresponds to the set of activities that a learner develops
in the environment through VLOs, which are designed based on learning hypothetical trajecto-
ries. Normally, when technological tools are implemented in teaching, the understanding of
content in different areas of knowledge is facilitated [1, 2]. In this way, VLOs should promote
reflective thinking to associate the real-life situations with mental models that are originated by
interpretations and concepts within the learning process [3]. In addition, with the integration
of technological resources in teaching, a constructive model is structured in an epistemic way
that allows guiding a deep, autonomous, and instructional learning based on the interaction
and development of new concepts associated with the experience [4].
Besides, the constructivism model is oriented to carry out a learning process through activities
based on experiences. This process can contribute significantly to learning. An example of
these activities is the development of problem-based learning that can act as a moderator for
the learner to structure and construct new knowledge based on their previous knowledge [5].
Learning processes considers the culturally diverse contexts that must develop with non-
traditional methodologies such as socio-transformative constructivism that encourages more
critical and inclusive teaching. It is useful to generate reflections of situations of the real-life [6].
This is how teaching focuses on developing learning environments that are culturally relevant
and promote the strengthening of receptive skills and understanding of explicit information [7].
2.2. Sign Language
To develop culturally inclusive environments for the entire population, sign language is created
to include a representative means of communication that favors the population with hearing
disabilities. Hence, sign language is characterized by incorporating the body as a means of bodily
and symbolic expressions. That is why this language should be used to develop an inclusive
education mediated by technological tools that comply with design standards that incorporates
the learning of grammatical and pragmatic rules of this language in the construction of VLOs
[8].
However, sign language is not universal, as each country developed its non-verbal communi-
cation system. Therefore, learning in subjects with hearing impairment is affected by the deficit
of literacy skills at a very early age [9], since people with this disability do not have adequate
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Karen Martinez-Zambrano et al. CEUR Workshop Proceedings 62–73
models of the use of sign language, which affects the development of linguistic and cognitive
skills [10].
In this way, with the implementation of sign language in education, some factors such as
equity, diversity, and social justice are promoted in learners with hearing impairment. With this
in mind, sign language aims to foster learning and improve inclusion experiences in the school
environment [11]. Also, teaching must carry out a social transformation that proposes didactic
strategies for ICT to enable the improvement of communication skills in learning content
from interdisciplinary areas in the educational context [12]. However, before incorporating
technological tools in teaching focused on learners with hearing disabilities, teachers need
to address conflicts generated by social inequality caused in the school environment and
prepare learners with disabilities to face a technological and cultural transformation presenting
alternatives of interpersonal relationship with the listening community [13].
2.3. VLOs for Hearing Impairment
In recent years, there have been different initiatives that implement VLOs as digital resources,
which are self-contained to favor teaching and learning processes in the educational context.
Most VLOs are built to support the pedagogical process through the use of instructional de-
sign methodologies that comply with the standards and guidelines endorsed by government
organizations like educations ministries. However, although normally VLOs are not designed
for learners with some type of disability, currently there is a need to build different VLOs that
incorporate learners with disabilities such as hearing impairment. Thus, there is the need to
develop different VLOs conditioned to the cognitive situation of each learner in different areas
of knowledge.
VLOs for learners with a hearing impairment must to be organized, flexible, structured,
and self-contained resources that are developed through mental skills to facilitate non-verbal
communication [14]. Thus, when VLOs are designed and developed focused on learners with
hearing impairment, progressive development in school activities are promoted. Also, VLOs for
hearing impaired learners incorporate digital didactic content with the reproduction of study
material such as sign language to meet the linguistic and cultural needs.
Inclusive education for the population with hearing impairment guarantees access to educa-
tion for the entire community with high-quality standards and equal opportunities. Some VLOs
for learners with hearing impairment have a non-verbal communication design that enables
cultural and linguistic interaction by presenting alternatives for interpersonal relationships
with the listening community [15]. Then, learners with hearing impairment have been incor-
porated into the educational environment, which enables identifying learning problems since
the cognitive situation of each user might not be properly addressed, generating the need to
include digital resources that support teaching [16].
2.4. Schoolar Technological Activities
Schoolar technological activities are didactic strategies to generate a stimulus to learner to
optimize the educational process in society. VLOs in teaching are technological tools that
allow presenting the academic content in different areas of knowledge to be approached in a
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didactic way, facilitating the integral development of the learner [17]. In addition, ICT enables
the creation of VLOs focused on games that incorporate didactic strategies, materials, and
communications that mostly enhance significant learning in the curriculum [18, 19], such as in
the area of mathematics. Also, the solution of situations based on mathematical problems is a
learning process used as a didactic strategy in the area of mathematics that generates an impact
on the school environment. Thus, inductive reasoning can facilitate the structuring of problems
through logical thinking, allowing learners to propose assertive solutions.
VLOs focused on games are structured and flexible teaching resources with innovative
approaches commonly used in interdisciplinary areas such as mathematics that stimulate and
optimize the teaching and learning process [20]. The design of VLOs based on games allows
acquiring and strengthen skills since these are built interactively, enriching the interest and
motivation of the learner in the presentation of relevant content that promotes independent and
collaborative teaching [21]. In this way, the integration of these kinds of VLOs in learning creates
new trends in education that are applied in different contexts of the school environment to
improve the understanding of relevant content in learners [22]. In addition, when creating VLOs
as technological didactic resources, they might include strategies to strengthen the development
of soft skills in the learner such as descriptive thinking, teamwork, and good use of language.
Besides, the solution of situations based on mathematical problems consists of the devel-
opment of symbolic tools that contribute to the learning process using didactic strategies in
mathematics to promote in the learner a construction of knowledge through guiding reasoning
a structure of thought, imagination, and the interpretation of multiple contexts, relating them
to mathematical concepts. However, sometimes the learner addresses inappropriate techniques
for solving situations based on mathematical problems by applying routine procedures such
as performing operations with the numbers given within the situation or doing a search for
keywords identifying which operation must be used to get the solution. Thus, the use of inap-
propriate techniques can affect the cognitive process of learners. In this way, understanding
the problem and algorithm relation encourages the development of phases of abstraction that
allows intuiting and proposing assertive solutions by contextualizing real-life situations with
mathematical content.
Society perceives mathematics as the basis of scientific and technological knowledge. Thus,
inductive reasoning is a means of constructing scientific and social knowledge that guides
a process of observation of particular situations that allows learners to make conjectures by
identifying behavior patterns found in problems. Also, teaching and learning processes use
inductive reasoning to promote reflection and the application of mathematical content as a
didactic strategy to address situations based on mathematical problems. In the educational
context, particularly in the area of mathematics, learners make approximations of mathemati-
cal content in reality through environments focused on experience, implementing inductive
reasoning to generalize particular situations.
3. Related Work
Most educational institutions have incorporated learners with hearing impairment, contributing
to learning equitably through technological tools. The use of VLOs facilitates and motivates
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learning in the area of mathematics. However, VLOs do not normally successfully reach the
hearing impaired population, disfavouring inclusive teaching because they do not have an
inclusive design. In this way, this section presents a compilation of research developed by
different authors that contribute to the improvement of the cognitive process of the population
with hearing impairment.
Peligero et al., [23] present research to identify the differences that occur in a color catego-
rization exercise between deaf and hearing children. The authors conducted this research with a
sample of 64 subjects divided into two groups, one group conformed by 32 deaf children and the
other group conformed by 32 hearing children, both groups with an age range between 8 and
14 years. In addition, a color recognition test was run a color categorization exercise grouping
the colors in four experimental conditions. When analyzing the results, it is determined that
deaf children have a different way of naming colors.
Valle et al., [23] propose the development of research that allows examining the use of visual-
spatial representation by deaf and hearing students while solving mathematical problems. For
this research, the authors had the participation of 305 people made up of 156 hearing people and
149 deaf people. The research instruments developed for this study were a) 15 mathematical
problems, b) test of spatial relationships of primary mental abilities, and c) Minnesota Paper
Form Board Test, which was solved using pencil and paper. The results of the three tests were
evaluated by the following representation categories: visual-spatial schematic representation,
visual-spatial pictorial representation, non-visual representation, and no response. The research
findings determined that deaf students generate and use visual-spatial schematic representation
to show the spatial relationships contained in math problems, achieving greater success in
problem-solving.
Bull et al., [24] present the development of a hypothesis that identifies number processing
skills as the basis for mathematical difficulties that occur in the hearing impaired population.
In this way, the authors carried out the development of this hypothesis with 40 participants,
twenty of them are deaf students and the remaining twenty students are hearing. To identify
the number processing skills in the participants, the authors performed two comparison tasks.
With the execution of the comparison tasks, the authors found that the visual information
presented successively caused greater difficulty for the deaf participants. In conclusion, the
authors identified that deaf participants present a better result in the comparison exercise when
the information is presented visually simultaneously. In other words, carry out two or more
instructions in the same period of time.
Emmorey et al., [25] carried out a hypothesis test to verify that the hearing impaired popula-
tion improves visual mental image construction skills when using sign language as their primary
language. To validate the hypothesis, the authors took a sample of 20 deaf people and 20 hearing
people. One of the findings identifies that deaf people better develop the skills determined by
the right hemisphere, such as the generation of images and processing of imaginable signs using
linguistically coded representations of categorical spatial relationships.
Marschark et al., [26] present a study in which they want to prove that deaf students have a
visual learning style. The authors researched the relationships between language and visual-
spatial skills, the solution to situations based on mathematical problems, and the hearing
thresholds of deaf students. To carry out the study, the authors had the collaboration of 39 deaf
students and 32 hearing students. The instruments used for the development of this study were:
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a) visual-spatial tasks solved with pencil and paper, b) partner cancellation tasks, and c) Corsi
block tasks. When carrying out the implementation of the instruments in the students, the
authors concluded that the visual-spatial tasks exploit some slightly different cognitive abilities
in deaf students. Furthermore, native deaf students show better visual-spatial working memory
than hearing people. Also, when the hearing loss is higher, there are more visually dependent
to identify objects and events in the environment.
Having said the above, the design of VLOs must meet the needs of all populations. The design
conditions in technological tools for educational purposes is relatively recent and needs to be
explored in order to be able to meet the needs of the populations.
4. Proposed Pedagogical Model
This section presents our approach of a model for a conceptual design of technological, pedagog-
ical, and cognitive articulation. The conceptual design is made up of four components. The first
component is defined by the Technological Articulation that is oriented to the design of VLOs.
Subsequently, the second component is defined by the Pedagogical Articulation that is based
on the construction of a set of inclusive design conditions. The third component is defined by
the Cognitive Articulation that addresses the concept of Euclidean geometry figures. Finally,
the fourth component is defined by the Subject that refers to elementary school students with
hearing impairment. The conceptual design of the technological, pedagogical, and cognitive
articulation includes several types of relationships between the mentioned components. These
relationships represent the process of executing certain actions.
The conceptual design of the technological, pedagogical, and cognitive articulation is pre-
sented in Figure. 1. The VLOs, which are technological tools that facilitate learning in the
educational context, conform to the first component associated with technological articulation.
The inclusive design conditions correspond to the second component of the conceptual design
that is part of the pedagogical articulation. The objective of inclusive design conditions is to find
a set of categories that favor the learning process in the population with hearing impairment in
the educational context. Inclusive design conditions are defined by five categories.
• Color is the first category, which is a visual perception that is generated in the person’s
brain by interpreting nerve signals that are sent to the retina of the eye. The retina inter-
prets and distinguishes the different wavelengths of the visible part of the electromagnetic
spectrum. Color has three attributes: brightness, hue, and saturation. Within the different
wavelengths of the visible part of the spectrum, a range of colors is produced that stands
out in the visual system of the person with hearing impairment since they are easier to
remember and recognize [23].
• The Schematic Representation (SR) is the second category, which is a graphical represen-
tation of a series of ideas or concepts. This type of representation is visually symbolized
by a scheme that allows contextualizing abstract concepts [27].
• The third category is the implementation of comparison exercises, which is a resource
that allows establishing a similarity relationship between two elements from patterns
[24].
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Figure 1: Model for a conceptual design of technological, pedagogical and cognitive articulation
• The sign language is the fourth category. This is used as a means of communication in
deaf people. It is characterized by incorporating the body through bodily and symbolic
expressions. People with hearing impairment who use sign language as their primary
language generate visual mental images faster than others [25].
• Finally, visual-spatial content design is the fifth category. Visual-spatial processing is the
ability to tell where objects are in space, allowing people to develop the cognitive ability
to mentally represent, analyze, and manipulate objects [26].
The third component of the conceptual design of cognitive articulation is determined by the
figures of euclidean geometry, which study the properties of plane geometry that comply with
axioms and postulates proposed by Euclid. Plane geometry is a part of the geometry that is
defined by two dimensions, i.e., plane geometry deals with geometric figures whose points are
contained in the same plane.
The subject is the fourth component of the conceptual design. For this conceptual design, the
subject corresponds to a student of primary education level comprised between an age range
of 6 to 10 years. In addition, the subject is part of the population with hearing impairment.
Hearing impairment is defined as the difficulty that a subject has to perceive sounds. A subject
with hearing impairment presents limitations in language development; therefore, the use of
an auxiliary language such as sign language is a resource that allows the subject with hearing
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impairment to interact, communicate, think, and learn based on non-verbal communication
[28].
The conceptual design of the articulation presents the following relationships:
1. The first relationship establishes the association between the component of the tech-
nological articulation (VLO) and the subject. This relationship is determined through a
communication process between the VLO and the subject called interaction that consists
of a two-way information exchange that is carried out to achieve a specific purpose. On
the one hand, the VLO promotes interaction with the subject through the use of ICT
that is designed to reduce the difficulties that arise in the learning process in different
types of populations, such as the population with hearing impairment. On the other hand,
the subject through interaction with the VLO presents a participatory action process
that generates an advantage of the potential of technological tools that results in the
possibility that the subject with hearing impairment develops skills in learning different
areas of knowledge.
2. The second relationship connects the components of the technological and cognitive
articulation i.e., VLO and geometric figures respectively. This one-way relationship is
established through the process of conceptualizing educational content. The conceptu-
alization process is relevant to generate a representation of an abstract concept. The
conceptualization generates a logical development of ideas that implies reasoning of the
thought that facilitates and motivates the contents and the systematization of the ideas
related to the object under study.
3. The third relationship is determined by the component associated with the subject and
the cognitive articulation component (geometric figures). The relationship between these
two components is one-way through the zone of proximal development. The Zone of
Proximate Development ZPD is a concept developed by the Russian psychologist Lev
Vygotsky defined by the distance that exists between the activities that a subject can
carry out without help and the activities that he can carry out under the guidance of an
expert. For a primary school student with hearing impairment, the ZPD activities require
an assisted learning training process [29], which in this conceptual design, is given by the
design of a VLO that addresses a mathematical object of study defined as the component
of cognitive articulation called geometric figures.
4. The fourth relationship is defined by the components of the technological articulation
and the pedagogical articulation component i.e., VLO and inclusive design conditions.
This relationship is established from the structure that the VLO design must carry, which
is determined by a set of inclusive design conditions that improve the learning process
in the population with hearing impairment, which corresponds to the set of appropriate
practices for an education that contemplates diversity and contributes to equity and social
justice [30]. The inclusive design conditions are a) color, b) schematic representation, c)
implementation of comparison exercises, d) visual-spatial content design and e) use of
the sign language.
5. The fifth relationship established is given by the component associated with the sub-
ject and the component of pedagogical articulation. This relationship is mediated by
accessibility. Accessibility is used to name the level at which any subject, beyond their
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physical condition or their cognitive faculties, can make use of ICT. The subject can have
and use these technologies under equal conditions regardless of their disability. These
technologies are characterized by having inclusive design conditions that facilitate the
subject’s learning process.
6. The sixth relationship is formed by the components of the cognitive articulation and the
pedagogical articulation. These components establish a one-way alignment relationship.
Alignment is a concept used to refer to a certain order or organization of objects or people.
The geometric figures component of cognitive articulation is aligned with the set of
appropriate inclusive design conditions that favor the learning process in the population
with hearing impairment.
In summary, the conceptual design of the technological, pedagogical, and cognitive articu-
lation is a model that integrates a set of design conditions defined by five categories, which
contribute to the improvement of learning of an object of study in the educational context. This
model is elaborated to be used in the construction of VLO that allows mitigating the difficulties
that arise in the teaching process of Euclidean geometry in the hearing impaired population.
5. Discussion
According to the literature review, we could determine that research works cited in the Related
Work section focus on the study of some conditions that promote the improvement of the
cognitive process of the population with hearing impairment. In particular, this work develops
the conceptual design of a model of technological, pedagogical, and cognitive articulation that
integrates the following five inclusive design conditions: a) color, b) schematic representation, c)
implementation of comparison exercises, d) use of sign language, and e) visual-spatial content
design. In this way, our work based on the developed model presents an approach that can be
implemented in the design of VLOs for students with hearing impairment.
The model was developed through an educational context with the hypothesis that subjects
with hearing impairments must use other senses and skills to have a better academic performance.
The objective that the model has an integration of inclusive design conditions is presented with
the need to facilitate the learning of a mathematical object in people with hearing disabilities.
In this way, the model is a pedagogical strategy that generates positive social change since it
promotes equity, diversity, and social justice, contributing to inclusive education.
6. Future Work
The following phases of the research work correspond to the design, implementation, and
validation of VLOs following the components presented in the proposed pedagogical model.
To achieve this, we will build an online platform that enables the creation of these VLOs. The
first phase carries out the design of VLOs for students with hearing impairment that helps to
mitigate the limitations that arise in the teaching process of the figures of euclidean geometry.
The second phase develops the implementation of VLOs for students of primary education with
hearing impairment. Finally, the third phase validates the VLOs by measuring the performance
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of the learning level of the figures of Euclidean geometry in students of primary education with
hearing impairment.
The methodological structure of the project in the three phases uses instruments with a mixed
research approach. On the one hand, the instruments that are developed through a qualitative
research approach such as the preparation of semi-structured interviews, use an experimental
research design that develops a process of observation and evaluation of personal experiences
having a descriptive scope allowing to identify different characteristics of the subject’s behavior.
On the other hand, the instruments that are used through a quantitative approach are applied
with the elaboration of questionnaires and activities through the Geogebra software, and their
validation is carried out with a decision matrix or rubric that evaluates the participants regarding
the learning of the mathematical objects under study. In addition, the results of the participants’
ratings are analyzed using descriptive statistics.
7. Conclusions
VLOs are elements that facilitate learning in different areas of knowledge. However, they
are normally designed without taking into account the population with disabilities such as
hearing impairment. Therefore, this impacts inclusive teaching because they do not allow
access to information in an equitable way. Thus, this characteristic can generate deficiencies
in the cognitive process of students with hearing impairment, affecting the development and
strengthening of their skills in learning mathematical objects.
In the construction of the pedagogical model, a literature review was carried out to search
for a set of inclusive design conditions that would mitigate the deficiencies presented in the
learning process of a mathematical object in the population with hearing impairment.
In the process of designing the pedagogical model, an analysis of the components was carried
out, achieving a relationship between the subject and the technological, pedagogical, and
cognitive components.
The proposed model can be extended to the construction of VLOs for the teaching of any
mathematical object of study; however, the model must be directed to the same population
under study.
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