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  <front>
    <journal-meta />
    <article-meta>
      <title-group>
        <article-title>Measuring the Impact of Privacy Concerns, Perceived Risk and Trust on the Continuance Intention of Facebook Users by means of PLS-SEM</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <string-name>Dilek Taşkın</string-name>
          <email>dilektaskin@uludag.edu.tr</email>
          <xref ref-type="aff" rid="aff0">0</xref>
        </contrib>
        <contrib contrib-type="author">
          <string-name>Çağatan Taşkın</string-name>
          <xref ref-type="aff" rid="aff1">1</xref>
        </contrib>
        <aff id="aff0">
          <label>0</label>
          <institution>Bursa Uludağ University</institution>
          ,
          <addr-line>Bursa</addr-line>
          ,
          <country country="TR">Turkey</country>
        </aff>
        <aff id="aff1">
          <label>1</label>
          <institution>Bursa Uludağ University</institution>
          ,
          <addr-line>Bursa</addr-line>
          ,
          <country country="TR">Turkey</country>
        </aff>
      </contrib-group>
      <fpage>351</fpage>
      <lpage>357</lpage>
      <abstract>
        <p>Facebook became one of the most popular ways of online social interaction. Many social networking sites like Facebook focus on their market, in other words, users. That's why, antecedents of continuance intention of Facebook users should be investigated in order to develop more efficient marketing strategies [1]. According to the literature, privacy concerns, perceived risk and trust are the most important antecedents of continuance intention. The aim of this study is to examine the influence of privacy concerns, perceived risk and trust on the continuance intention of Facebook users in Bursa city of Turkey. Data were collected via an online questionnaire. A total of 241 questionnaires were used for the analysis. According to the results, privacy concerns antecedent was found to have a statistically negative significant impact on trust and positive significant impact on perceived risk. Trust antecedent was also found to have a statistically significant positive impact on continuance intention of Facebook users.</p>
      </abstract>
      <kwd-group>
        <kwd>Privacy concerns</kwd>
        <kwd>perceived risk</kwd>
        <kwd>trust</kwd>
        <kwd>continuance intention</kwd>
        <kwd>Facebook</kwd>
        <kwd>Bursa</kwd>
        <kwd>Turkey</kwd>
      </kwd-group>
    </article-meta>
  </front>
  <body>
    <sec id="sec-1">
      <title>Introduction</title>
      <p>
        In recent years, social networks especially Facebook attracted a great number of people
all over the world [
        <xref ref-type="bibr" rid="ref2">2</xref>
        ]. Facebook became one of the most popular ways of online social
interaction. Many social networking sites like Facebook focus on their users. The users
of social networks are so important for the long-term success of them [
        <xref ref-type="bibr" rid="ref3">3</xref>
        ]. That’s why
antecedents of continuance intention of Facebook users should be investigated in order
to develop more efficient marketing strategies [
        <xref ref-type="bibr" rid="ref1">1</xref>
        ].
      </p>
      <p>
        In the literature, there are studies that aim to understand the relations among
continuance intention and its antecedents for social media platforms. According to Wang et al.
(2016), trust and risk were found to have significant effects on individual behavior
toward social media platforms but that trust had a stronger effect [
        <xref ref-type="bibr" rid="ref4">4</xref>
        ]. Another study
compared two social media platforms (Facebook and LinkedIn) to understand factors
affecting users’ trust on social media platforms. According to the findings of the study, it
was found that users’ trust on social media platforms was mainly influenced by effort
expectancy, social influence and perceived risk. Besides, it was found that trust had a
significant impact on continuance intention [
        <xref ref-type="bibr" rid="ref2">2</xref>
        ]. In Tan et al. (2012)’s study, it was
aimed to understand the impact of users’ privacy concerns on their acceptance of social
media platforms [
        <xref ref-type="bibr" rid="ref5">5</xref>
        ]. There is also another study that proposed a research model to
investigate individuals’ social media platform usage facilitators and inhibitors from the
perspective of privacy concerns [
        <xref ref-type="bibr" rid="ref6">6</xref>
        ]. In addition, there are various researches that aim
to understand the antecedents of continuance intention in photo-sharing context [
        <xref ref-type="bibr" rid="ref7">7</xref>
        ] [
        <xref ref-type="bibr" rid="ref8">8</xref>
        ]
[
        <xref ref-type="bibr" rid="ref9">9</xref>
        ] [
        <xref ref-type="bibr" rid="ref10">10</xref>
        ]. According to the literature, privacy concerns, perceived risk and trust are the
most important antecedents of continuance intention. Especially, privacy concerns is a
very current topic for the social media market. Thus, it is aimed to examine the
influence of privacy concerns, perceived risk and trust on the continuance intention of
Facebook users in this study.
2
2.1
      </p>
    </sec>
    <sec id="sec-2">
      <title>Methodology</title>
      <sec id="sec-2-1">
        <title>Research Sample and Method</title>
        <p>
          The research was conducted on Facebook users in Bursa city of Turkey. Data were
collected via an online questionnaire. Convenience sampling method was used in the
research. Data were collected in the months of June, July and August of 2018. 275
questionnaires were collected from respondents. 34 of them were excluded as they were
not complete based on the initial screening. A total of 241 questionnaires were used for
the analysis. The antecedents of the model such as privacy concerns, perceived risk,
trust, effort expectancy, social influence and continuance intention were measured by
the items based on the related literature [
          <xref ref-type="bibr" rid="ref2">2</xref>
          ] [
          <xref ref-type="bibr" rid="ref3">3</xref>
          ] [
          <xref ref-type="bibr" rid="ref11">11</xref>
          ]. Smart PLS 3.0 and IBM SPSS 21.0
were used in order to analyze the data. PLS-SEM was used to test the influence of
privacy concerns, perceived risk and trust on the continuance intention of Facebook
users.
        </p>
        <p>
          The popularity of structural equation modeling (SEM) has grown out of the need to test
complete theories and concepts. Much of SEM’s success can be attributed to the
method’s ability to evaluate the measurement of latent variables, while also testing
relationships between latent variables. Although the initial application of this method
embraced a covariance-based approach (CB-SEM), researchers also have the option of
choosing the variance-based partial least squares technique (PLS-SEM). While
CBSEM is the more popular method, PLS-SEM has recently received considerable
attention in a variety of disciplines including marketing, strategic management, management
information systems, operations management, and accounting. Much of the increased
usage of PLS-SEM can be credited to the method’s ability to handle problematic
modeling issues that routinely occur in the social sciences such as unusual data
characteristics (e.g. nonnormal data) and highly complex models [
          <xref ref-type="bibr" rid="ref12">12</xref>
          ].
2.2
        </p>
      </sec>
      <sec id="sec-2-2">
        <title>Profile of Respondents</title>
        <p>Demographic characteristics of the respondents were given in Table 1. As seen, 110 of
the respondents were male and 131 of the respondents were female. Most of the
respondents (44.4%) were between 21-30 ages, 34.0% of the respondents were between
31-40 ages and 13.7% of the respondents were between 41-50 ages. Most of the
respondents had an undergraduate degree or were more educated (92.6%). Single
Facebook users were slightly more than married users. Most of the respondents had a
Facebook experience for 4 and more years. 56.4% of the respondents spent 60 minutes or
less time on Facebook, while 43.6% spent more than 60 minutes time on Facebook per
day.
The research model is shown in Fig. 1. As it can be seen, the research model includes
the variables, which are; “effort expectancy”, “social influence”, “privacy concerns”,
“perceived risk” “trust” and “continuance intention” and the relationships among them.
%
45,6
54,4
0,8
44,4
34.0
13,7
7,1
2,1
0,8
3,3
3,7
90,1</p>
        <p>Education
Primary school 3
High school
Undergraduate 106
MSc
PhD
Marital Status
Single
Married
Time spent on
Facebook per
day
60 minutes or
less
More than 60
minutes
15
97
20</p>
        <sec id="sec-2-2-1">
          <title>The hypotheses of the research are:</title>
        </sec>
        <sec id="sec-2-2-2">
          <title>H1: “Effort expectancy” positively influences “trust”.</title>
          <p>H2: “Social influence” positively influences “trust”.</p>
          <p>H3: “Effort expectancy” positively influences “continuance intention”.
H4: “Social influence” positively influences “continuance intention”.
H5:“Privacy concerns” negatively influences “trust“.</p>
          <p>H6:“Perceived risk” negatively influences “trust“.</p>
          <p>H7:“Perceived risk” negatively influences “continuance intention“.
H8:“Privacy concerns” positively influences “perceived risk“.
H9:“Trust” positively influences “continuance intention“.
2.4</p>
        </sec>
      </sec>
      <sec id="sec-2-3">
        <title>Construct Reliability and Validity</title>
        <p>
          Table 2 shows the results of construct reliability and validity. The AVE (Average
Variance Extracted) values of the structure must be 0,50 or more for the validity of latent
structures [
          <xref ref-type="bibr" rid="ref13">13</xref>
          ]. Results show that the AVE values for effort expectancy, social
influence, trust, continuance intention, privacy concerns and perceived risk are 0.60, 0.55,
0.63, 0.74, 0.76 and 0.56, respectively. As the result of the analysis carried out with
Smart PLS and PLS estimation method, the composite reliability value is given.
Composite Reliability value should be 0.70 or above [
          <xref ref-type="bibr" rid="ref14">14</xref>
          ].
According to the results of PLS modeling, all of the hypotheses were supported except
hypothesis 6 and 7. Privacy concerns antecedent was found to have a statistically
negative significant impact on trust and positive significant impact on perceived risk. Trust
antecedent was also found to have a statistically significant positive impact on
continuance intention of Facebook users. In addition, effort expectancy and social influence
antecedents were found to have significant positive impacts on both trust and
continuance intention. As seen from Table 3, the highest path coefficient is 0.44 that belongs
to the path of trust-continuance intention. This means that if Facebook wants its users
to be loyal then it must build trust. The answer of “how to build trust” question is also
seen from the path coefficients. Facebook must focus on the dimensions of social
influence, effort expectancy and privacy concerns in order to build trust, respectively.
3
        </p>
      </sec>
    </sec>
    <sec id="sec-3">
      <title>Conclusion</title>
      <p>This study helps draw useful implications for the managers of Facebook and social
networking services as well. It is important for practitioners to know the impacts of
antecedents on continuance intention to develop more efficient strategies. In this
research, both effort expectancy and social influence significantly affected trust
antecedent. According to the findings, privacy concerns was found to be one of the important
antecedents of continuance intention. Privacy concerns negatively influenced trust
antecedent. Besides, trust antecedent was found to have a statistically significant impact
on continuance intention of Facebook users. On the other hand, perceived risk was not
found to have a significant impact on both trust and continuance intention. According
to our findings, effort expectancy and social influence also affected continuance
intention significantly. These results implicate that user experience in a social networking
service (in this case Facebook) is so crucial. Social networking services should focus
on designing positive and unique experiences for users and these experiences should be
shared by the users voluntarily. In addition, privacy concerns is very important for
Facebook users so that managers of Facebook should be more aware of this finding and
develop strategies to be more confidential.</p>
    </sec>
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