what group is tested repeatedly
Testing makes perfect, finds memory retrieval research. Conventional wisdom holds that if you want to learn something, study, study, study. In Science (Vol. 319, No. 5,865), a team of psychologists reports that students who were repeatedly tested on material significantly outperformed those who repeatedly studied it.
The paired t test (also called the âcorrelated groupsâ t test) is used when you. have two samples and a within-groups design. This design is also called a. dependent or repeated-groups design. Both the name of the statistical test. and the name of the research design can vary a great deal from book to book.