Teachers at School A were given a substance abuse knowledge test. During the next four months, the teachers attended training sessions on substance abuse. They were then given the knowledge test again. Similarly, teachers at School B were given the substance abuse knowledge test, and four months later they were given the test again. What kind of design was used in this research?

A) Pretest-posttest true experimental design
B) Nonequivalent control group pretest-posttest design
C) Interrupted time series design
D) Multiple baseline design

Question

Frans Jessica · Accepted Answer

Final Answer : B, Explanation :  This research design is a nonequivalent control group pretest-posttest design because it involves comparing two groups (School A and School B) where one group receives an intervention (substance abuse training for School A) and both groups are tested before and after the intervention, without random assignment to groups.

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