Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Independent Samples Test of Academic Achievement on the Posttest
| 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 | |||||||||
| Posttest Scores | Equal variances assumed | 36.002 | 0.000 | 8.155 | 73 | 0.000 | 7.00925 | 0.85951 | 5.29625 | 8.72224 |
| Equal variances not assumed | 8.239 | 47.140 | 0.000 | 7.00925 | 0.85072 | 5.29795 | 8.72055 | |||
