Post on 12-Sep-2018
11/13/2013
1
SPSS t-Tests
Lecture Set 21
GRE Therapy Data File
11/13/2013
2
Independent Groups t-Tests in SPSS
� Requesting the t-Test
� Analyze
� Compare Means
� Independent Groups T Test…
Independent Groups t-Tests in SPSS
� Popup Window
� Move desired DVs and IV from left to right
� Can do more than one t-Test simultaneously, if comparing same groups
� Define Groups… (BE CAREFUL!!!)
11/13/2013
3
Independent Groups t-Tests in SPSS
� Output
� Ignore Levene’sTest and assume Equal Variances
Correlated Samples t-Tests in SPSS
� Requesting the t-Test
� Analyze
� Compare Means
� Paired Samples T Test…
11/13/2013
4
Correlated Groups t-Tests in SPSS
� Popup Window
� Holding down CTRL, select desired conditions on left
� Click purple button to move to right
Correlated Groups t-Tests in SPSS
� Output
� Note N is the total