Which of the following is an example of a quasi-experimental study?
A) A study that tests whether the number of parks in a neighborhood is correlated with children's physical activity levels.
B) A meta-analysis that combines the results of studies measuring the correlation between children's physical activity levels and the number of parks in their neighborhood.
C) A study that compares changes in children's physical activity levels from before, to after a new park is built in their neighborhood.
D) None of the above.

Question

Quizplus · Accepted Answer

Quasi-experimental studies involve interventions but lack random assignment. Option C, which compares children's physical activity levels before and after a park is built, is a quasi-experimental design because it studies the effect of an intervention (the new park) without random assignment of participants to conditions.

Which of the Following Is an Example of a Quasi-Experimental