Laura has developed a new treatment to increase spatial ability. She randomly assigns students to either her intervention or a control condition. In the treatment condition students engage in working puzzles for twenty minutes a day for 10 days. Unfortunately, students don't like her intervention and refuse to do puzzles for all of the days. When she examines post-test means on the spatial ability measure, there are no differences between her treatment and the control condition.
-Which of the following designs best describes Laura's study?
A) Factorial
B) Post-test only control group
C) One group pretest-posttest
D) Static group comparison

Question

Quizplus · Accepted Answer

Laura's study is a post-test only control group design because she randomly assigned participants to either the treatment or control group and only measured the outcome after the intervention.

Laura Has Developed a New Treatment to Increase Spatial Ability