From: The effect of two educational technology tools on student engagement in Chinese EFL courses
 | Levene’s test for equality of variances | t-test for equality of means | |||||||
---|---|---|---|---|---|---|---|---|---|
F | Sig | t | df | Sig. (2-tailed) | Mean difference | Std. error difference | 95% confidence interval of the difference | ||
Lower | Upper | ||||||||
Behavioral engagement | |||||||||
 Equal variances assumed | 1.622 | .204 | − 4.696 | 266 | .000 | − .51834 | .11038 | − .73567 | − .30100 |
Cognitive engagement | |||||||||
 Equal variances assumed | 1.232 | .268 | − 2.028 | 266 | .044 | − .22368 | .11032 | − .44090 | − .00646 |
Emotional engagement | |||||||||
 Equal variances assumed | .000 | .986 | − 4.283 | 266 | .000 | − .42485 | .09919 | − .62014 | − .22955 |
Educational technology engagement | |||||||||
 Equal variances assumed | 1.078 | .300 | − 3.851 | 266 | .000 | − .36478 | .09473 | − .55128 | − .17827 |