In a typical advertisement, the product or service being promoted acts as a(n) for positive emotional responses.

unconditioned stimulus
positive reinforcer
conditioned stimulus
higher order stimulus

You think all professors are uncoordinated, but then you see your social psychology professor make a diving catch down the left-field line at an intramural softball game against the arts department team. you also notice that your professor hits lead-off for the team and is able to score from second base on a ground-out. you maintain your original stereotype of professors as uncoordinated by deciding that this one individual is an exception to the rule because he is a “young professor.” this is an example of

How did the growth of railroads american businesses expand

What’s the reason for not digging up aztec ruins in modern mexico city