Professor Liu was interested in the effects of college students' using notes during tests. One semester professor Liu taught four sections of the same class. She randomly divided her classes into two sets. Students in one set of classes were allowed to use one page of notes during each test; students in the other set of classes were not allowed to use notes. Professor Liu conducted a(n)
A) field experiment.
B) quasi-experiment.
C) observational experiment.
D) natural experiment.

Question

Quizplus · Accepted Answer

This is a quasi-experiment because the groups were not randomly assigned, but the independent variable (use of notes) was manipulated by the researcher. There are also potential confounding variables that could impact the results, such as differences in prior knowledge or motivation levels among the students in the different classes.

Professor Liu Was Interested in the Effects of College Students