Dr. Kalmagura plans to introduce a new exam review procedure in his chemistry classes. To check the effectiveness of the new procedure, half his students will try the new technique for one semester, while the remaining students will review in the same way they have always done. Each student will decide whether they like the new technique or the standard technique. This example illustrates

Question

Quizplus · Accepted Answer

The example illustrates the use of non-random assignment because students are choosing which review technique they prefer, rather than being randomly assigned to one of the two groups. This could introduce bias and affect the results of the study.

Dr Kalmagura Plans to Introduce a New Exam Review Procedure