AP Psychologymediummcq1 pt
A researcher randomly assigns participants to groups and manipulates an independent variable. This is a(n):
A.Correlational study
B.Experiment
C.Naturalistic observation
D.Case study
Random assignment and manipulation of an independent variable are the defining features of a true experiment.
BExperiment
Practice more AP Psychology questions with full explanations
Practice Unit 1: Scientific Foundations of Psychology Questions →