3.3 Reliability and Validity
This study concerns about reliability and validity. For the reliability, this study employs Cronbach alpha coefficient to examine the reliability of all constructs. In addition, this study also utilizes confirmatory factor analysis to examine the validity of data in the questionnaires. For the results of the examination, all Cronbach alpha coefficients are higher than the acceptable criteria as the suggestion of Nunnally and Berstein (1994). The coefficients ranging from 0.730 to 0.963 indicate that all constructs in the research model are acceptable. Additionally, the factor loadings of these constructs are higher than the acceptable cut-off score, as the suggestion of Nunnally and Berstein (1994), indicate that the measurements of all constructs are satisfied. Clearly, factor loadings of perceived ease of use are ranging from 0.747-0.865. Factor loadings of perceived usefulness are ranging from 0.873 to 0.910. Factor loadings of utilizing online social network for CSR reporting are ranging from 0.719 to 0.917. Also, factor loadings of corporate reputation are ranging from 0.767 to 0.891. Easily, Table 1 depicts the results of reliability and validity tests.