Group Statistics |
|
group |
N |
Mean |
Std. Deviation |
Std. Error Mean |
average |
control |
80 |
4,0375 |
,90196 |
,10084 |
experimental |
80 |
3,0526 |
,30824 |
,03446 |
Independent Samples Test |
|
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 |
average |
Equal variances assumed |
64,933 |
,000 |
9,242 |
158 |
,000 |
,98487 |
,10657 |
,77439 |
1,19536 |
Equal variances not assumed |
|
|
9,242 |
97,205 |
,000 |
,98487 |
,10657 |
,77337 |
1,19638 |