Cronbach’s alpha, composite reliability, convergent and discriminant validity of measures
| Construct | No of items | VIF | CR | CA | AVE | LI | COM | SH | RR | SMA | SMP | SMIM | PB | PC | PR | BE | BUI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LI | 3 | 1.326 | 0.936 | 0.912 | 0.831 | 0.911 | |||||||||||
| COM | 3 | 1.437 | 0.922 | 0.934 | 0.797 | 0.189 | 0.893 | ||||||||||
| SH | 3 | 1.057 | 0.940 | 0.913 | 0.841 | 0.228 | 0.246 | 0.917 | |||||||||
| RR | 4 | 1.267 | 0.950 | 0.922 | 0.827 | 0.284 | 0.266 | 0.264 | 0.909 | ||||||||
| SMA | 5 | 1.226 | 0.973 | 0.982 | 0.879 | 0.189 | 0.302 | 0.301 | 0.267 | 0.937 | |||||||
| SMP | 7 | 1.147 | 0.970 | 0.948 | 0.822 | 0.190 | 0.268 | 0.331 | 0.283 | 0.261 | 0.907 | ||||||
| SMIM | 4 | 1.326 | 0.941 | 0.939 | 0.798 | 0.231 | 0.236 | 0.261 | 0.327 | 0.291 | 0.257 | 0.893 | |||||
| PB | 5 | 1.541 | 0.947 | 0.957 | 0.781 | 0.236 | 0.287 | 0.243 | 0.260 | 0.326 | 0.290 | 0.247 | 0.884 | ||||
| PC | 3 | 1.093 | 0.936 | 0.944 | 0.830 | 0.192 | 0.278 | 0.296 | 0.262 | 0.256 | 0.325 | 0.302 | 0.252 | 0.927 | |||
| PR | 6 | 1.232 | 0.964 | 0.941 | 0.819 | 0.206 | 0.266 | 0.315 | 0.261 | 0.236 | 0.250 | 0.285 | 0.282 | 0.263 | 0.905 | ||
| BE | 5 | 1.036 | 0.943 | 0.929 | 0.767 | 0.230 | 0.277 | 0.262 | 0.265 | 0.263 | 0.233 | 0.253 | 0.307 | 0.288 | 0.275 | 0.876 | |
| BUI | 4 | 1.224 | 0.901 | 0.899 | 0.803 | 0.232 | 0.252 | 0.259 | 0.236 | 0.279 | 0.290 | 0.269 | 0.264 | 0.325 | 0.293 | 0.288 | 0.896 |
| Construct | No of items | VIF | CR | CA | AVE | LI | COM | SH | RR | SMA | SMP | SMIM | PB | PC | PR | BE | BUI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| LI | 3 | 1.326 | 0.936 | 0.912 | 0.831 | ||||||||||||
| COM | 3 | 1.437 | 0.922 | 0.934 | 0.797 | 0.189 | |||||||||||
| SH | 3 | 1.057 | 0.940 | 0.913 | 0.841 | 0.228 | 0.246 | ||||||||||
| RR | 4 | 1.267 | 0.950 | 0.922 | 0.827 | 0.284 | 0.266 | 0.264 | |||||||||
| SMA | 5 | 1.226 | 0.973 | 0.982 | 0.879 | 0.189 | 0.302 | 0.301 | 0.267 | ||||||||
| SMP | 7 | 1.147 | 0.970 | 0.948 | 0.822 | 0.190 | 0.268 | 0.331 | 0.283 | 0.261 | |||||||
| SMIM | 4 | 1.326 | 0.941 | 0.939 | 0.798 | 0.231 | 0.236 | 0.261 | 0.327 | 0.291 | 0.257 | ||||||
| PB | 5 | 1.541 | 0.947 | 0.957 | 0.781 | 0.236 | 0.287 | 0.243 | 0.260 | 0.326 | 0.290 | 0.247 | |||||
| PC | 3 | 1.093 | 0.936 | 0.944 | 0.830 | 0.192 | 0.278 | 0.296 | 0.262 | 0.256 | 0.325 | 0.302 | 0.252 | ||||
| PR | 6 | 1.232 | 0.964 | 0.941 | 0.819 | 0.206 | 0.266 | 0.315 | 0.261 | 0.236 | 0.250 | 0.285 | 0.282 | 0.263 | |||
| BE | 5 | 1.036 | 0.943 | 0.929 | 0.767 | 0.230 | 0.277 | 0.262 | 0.265 | 0.263 | 0.233 | 0.253 | 0.307 | 0.288 | 0.275 | ||
| BUI | 4 | 1.224 | 0.901 | 0.899 | 0.803 | 0.232 | 0.252 | 0.259 | 0.236 | 0.279 | 0.290 | 0.269 | 0.264 | 0.325 | 0.293 | 0.288 |
Note(s): AVE = average variance extracted; BE = brand engagement; BT = brand trust; BUI = brand usage intention; CA = Cronbach’s alpha; COM = comments; CR = composite reliability; LI = likes; RR = reviews and ratings; SH = share; SMA = social media advertising; SMIM = social media interactive marketing; SMP = social media promotion; PB = perceived benevolence; PC = perceived credibility; PR = perceived reputation; VIF = variance inflation factor.
Cronbach’s alpha (α) coefficients were used to evaluate the reliability of the data for all constructs, and the results indicated that all values exceeded 0.7 (Nunnally, 1994). The diagonal elements, which have been italicized, represent the square root of AVE
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