which analysis to use with two groups, a pre and a posttest and three outcomes? what test is needed to confirm that a control intervention was effective what tests should you test with two groups to see if an intervention is effective why do i need to test three outcomes in an interview what test is used to determine the effectiveness of the intervention? when to use three outcome measures on pre and post test? why do we call an analysis a pre- and post-test and three outcomes what test is based on a pre-test test? what test is used to test the success of a pre and posttest intervention? which test measures success of an intervention what test can be used to test the effectiveness of an intervention? which test is a test a or b of pre- and posttest? what tests are used to check the effectiveness of an intervention what is the purpose of testing outcomes what are the three outcomes of an intervention quizlet what type of analyses are used to measure outcomes? how many tests should be used in a posttest? test that determines success of group b which test should be used to test the success of an intervention which of the following measures is used by the control group in a pre and post-test?