An experimenter conducts a study in which participants are randomly assigned to study in either a quiet condition or a noisy condition before their learning is tested. This research design has
A) one independent variable and two levels.
B) one condition and one independent variable.
C) two conditions and two independent variables.
D) two independent variables and two levels.

Question

Quizplus · Accepted Answer

The research design involves manipulating the environment in which participants study, with the manipulation being the amount of noise. This constitutes one independent variable (the level of noise) with two levels (quiet and noisy).

An Experimenter Conducts a Study in Which Participants Are Randomly