The third-grade teachers in one school are interested in the effects of seating assignments on self-esteem of students. Half of the teachers uses a new seating strategy for the year and half use the existing strategy. All students take a self-esteem measure at the beginning of the school year. At the end of the school year, students take a self-esteem measure. This study best illustrates which of the following designs?
A) Nonequivalent control group design
B) Solomon four-group design
C) Pretest-posttest control group design
D) One-group pretest-posttest design

Question

Quizplus · Accepted Answer

This is an example of a nonequivalent control group design because the two groups (new seating strategy and existing strategy) were not randomly assigned, and thus may be different at the start of the study.

The Third-Grade Teachers in One School Are Interested in the Effects