Hangover-prevention products sold on TV and over the Internet are actually pretty effective if they contain activated charcoal

According to the section in your textbook on lie detection:

a. the Computer Voice Stress Analyzer is more accurate than the polygraph. b. the polygraph is more valid than the Computer Voice Stress Analyzer. c. the Computer Voice Stress Analyzer and the polygraph used together result in valid lie detection. d. at present there is no perfect way to detect lying.

When, in a series of events, what happens in a later event alters those preceding it, it is known as a _____________ relationship

a. contingent b. feedback c. causal d. concurrent