Failing to adequately clean out an operant chamber between subjects can leave behind odor cues that are a source of _____ in animal research.
A) experimenter bias
B) demand characteristics
C) role attitude cues
D) expectancy effects

Question

Quizplus · Accepted Answer

Odor cues left in an operant chamber can serve as demand characteristics, influencing the behavior of subsequent subjects by providing unintended information about the experimental conditions.

Failing to Adequately Clean Out an Operant Chamber Between Subjects