Even though the one-group pretest-posttest design is inadequate, it has one methodological advantage over the one-group posttest-only design, and that is pretest scores can be compared to posttest scores.
What is pretest-posttest?
A pretest is a rating scale given to participants before they receive treatment as part of a research study. A posttest is a rating scale given to participants after receiving treatment as part of a research study. Students are typically given a pre-test at the beginning of the course to determine their initial understanding of the actions specified in the learning objectives, and a post-test immediately after the course to determine what the student has learned. done.
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