Researchers at State University wanted to test the hypothesis that distributed, or spaced, practice results in better retention of material than massed practice or cramming. To find out if there is a cause-and-effect relationship, the researcher should use:
A)correlational research.
B)experimental research.
C)naturalistic observation.
D)surveys or questionnaires.

Question

Quizplus · Accepted Answer

To determine causality, experimental research is the best choice. In this case, the researcher would need to manipulate the independent variable (distributed practice vs. massed practice) and measure the effect on the dependent variable (retention of material). This would allow for control of extraneous variables and enable the researcher to establish a cause-and-effect relationship.

Researchers at State University Wanted to Test the Hypothesis That