In Crum and Langer's hotel experiment, the:
A) participants were assigned to either the ginkgo biloba group or the placebo condition.
B) participants were randomly assigned on an individual basis to either the high exercise group or the low exercise group.
C) hotels were randomly assigned to either the experimental or control condition, thus ensuring that all participants at a given hotel were in the same group.
D) participants were assigned to either the "poor" health condition or the "excellent" health condition depending on their present perception of their health status.

Question

Quizplus · Accepted Answer

The experiment involved randomly assigning hotels to either the experimental or control condition. This random assignment helps to control for potential confounding variables, such as the location or amenities of the hotels, and ensures that all participants at a given hotel were in the same group. A and B are incorrect because the experiment did not involve manipulating ginkgo biloba or exercise levels, and D is incorrect because health status was not manipulated.

In Crum and Langer's Hotel Experiment, The