Participants who are subjected to all of the experimental procedures except the experimental manipulation are part of a(n) ____ group.
a. rating
b. experimental
c. sample
d. control
Question 2
Megumi is running an experiment on the impact of noise level on subsequent aggressive behavior. In one condition, participants experience a loud, annoying noise while trying to complete a task, and then are given a chance later to give another ostensible participant a noise blast, too. In the other condition, the participants do not experience the noise while trying to complete their task. After the study has been conducted, Megumi realizes that the loud room was lit more brightly than the quiet room. This difference in the level of light is an example of a
a. confound.
b. control group.
c. threat to external validity.
d. subject variable.
Lake 226 at the Experimental Lakes Area divided in half.
Procedures for Diagnostic Tests Related to the Digestive System
Millikan Oil-Drop Experiment – Experimental Set-Up
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b)
Experimental evidence of cytoplasmic localization in an amphibian oocyte.
Experimental evidence that signals from dorsal lip cells initiate amphibian gastrulation. A dorsal l