When Reading the Claims of Makers of Home Biofeedback Machines

Multiple Choice

When reading the claims of makers of home biofeedback machines, sleep-learning devices, subliminal CDs, and the like, it is important to

A) realize that the authenticity of the report has been thoroughly checked by the media.
B) be wary of overly complex explanations.
C) consider the number of experts that are promoting the product.
D) consider whether the information is motivated by monetary gain.