When people classify a stimulus based on how similar it appears to be to the typical case, they are using the ________ heuristic

Research into the effectiveness of CAM treatments like

acupuncture have failed to produce evidence of their value. Some have suggested that the positive results they occasionally produce are nothing more than the placebo effect. Which of the following concepts from this chapter is illustrated by this fact? A) Occam's Razor B) Correlation vs. causation C) Ruling out rival hypotheses D) Extraordinary claims

The puff of air is the

(a) UCS (b) UCR (c) CS (d) CR (e) none of these