how can we compare pre and post tests? can i compare experiments in spss when are pretests and posttests the same how to compare pretest and posttest what is the pre and post test for how can i compare pre- and post-tests how to compare pre-test and post-test why is the pretest and posttest different why do i need a subject identifier on pre and post tests how is pre and post test can spss compare pre and post tests what is meant by the term post versus pre a test can you test the effects of a pre and post test what tests to compare pre test can you compare a pretest and posttest can we compare pre- and post-test results how to compare pre and post test scores what is post test test how to compare pre and post tests does the experimental group perform well on the posttest?