Page 216 - Proceeding of Atrans Young Researcher's Forum 2019_Neat
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“Transportation for A Better Life:
                                                                              Smart Mobility for Now and Then”

                                                                                    23 August 2019, Bangkok, Thailand

             Table  1      Psychological  constructs  and  their                           Number     (%)
             indicators.                                       Frequency       Non           88      22
                            No.                                                <10          249      63
                Constructs   of   Mean    SD   Cronbach's                  1-3time/month     50      13
                                                 alpha
                            Item                                            >3 time/week     9        2
                 Intention   3     3.01   0.97    0.90         Total                        396      100

                 Attitude    3     4.08   0.73    0.82        4.2 Explanatory Factor Analysis
                                                                     EFA  on  all  12  direct  measurement  items
                Subjective   3     3.40   0.78    0.78        produced four factors. After Varimax rotation, This
                  Norm                                        result  in  line  with  the  basic  TPB  factors  namely
                                                              Intention, Attitude, Subjective Norm and Perceived
                Perceived                                     Behavioral Control as show in Table 3.
                Behavioral   3     4.01   0.71    0.68
                 Control
                                                              Table 3 Factor analysis of TPB.
             3.5 Data Analysis
                            According to the Behavior frameworks of   TPB items   Description   Factors
             this study, as shown in Fig. 2, a measurement model                       1     2     3     4
             is  estimated  using  Explanatory  Factor  Analysis
             (EFA).  This is to group the variables that are related   Intention   INT1    .87
             to  each  other  to  be  the  same  factor  and  to  test       INT2      .86
                                                                             INT3
                                                                                       .80
             whether  the  data  fit  a  hypothesized  measurement
             model.  The  Structural  Equation  Modeling  (SEM)
             technique is then utilized to examine the model fit             ATT1
             and test causal structure of the proposed model. This           ATT2           .74
             study uses AMOS 22.0 to evaluate model fit and the   Attitude   ATT3           .74
             significance of the hypothesized paths. The fit of the                         .70
             conceptual models to the empirical data is assessed
                                2
             with the Chi-square (x ) statistics, Degree of freedom
             (df), Goodness of Fit Index (GFI), The root means   Subjective   SN1                 .80
             square  residual  (RMR),  Standardized  Root  Mean   norm       SN2                  .76
             Square Residual (SRMR) and the root mean square                 SN3                  .76
             of approximation (RMSEA).


                                                                Perceived    PBC2
             4. RESULTS AND DISCUSSION                          Behavior     PBC3                       .89
             4.1 Traveler characteristics                        control                                .79
                    A total of 396 participants were completed.
             Participants  in  the  study  were  composed  of  53%
             male and 47% female. Majority of the respondents     AVE                 .765  .522  .564  .633
             was  between  20-22  years,  which  was  60%  of  the   CR               .929  .811  .794  .760
             total respondents as shown in Table 2.
                                                              4.3 SEM of Intention to use bike sharing
             Table 2 This is sample characteristics.
                                                                       Model  of  intention  to  use  bike  sharing  is
                                          Number   (%)        consistent with empirical data. As shown in Table 4,
                                                              the developed model, as shown in Figure 4, can explain
              Gender          Male         211     53.0
                             Female        185     47.0       the variance of intention to use bike sharing by 46%.
              Age           Under 20       52      13.0       When considering the relationship of latent variables in
                             20-22         239     60.0       the  model,  it  was  found  that  attitudes  towards  bike
                             23-25         75      19.0       sharing use (ATT) have a significant positive effect on
                            Over 25        30       8.0       intentions.  Therefore,  if  travelers  have  a  positive
              Table 2 This is sample characteristics.         attitude  towards  traveling  by  bike  sharing,  it  will
              (continue)                                      encourage travelers to use bike sharing.



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