The First 'Nigerian Prince' Scam

In 1966, Stanford University psychologists Jonathan Freeman and Scott Fraser observed an interesting phenomenon in their experiments: someone who has already agreed to a small request—like opening the door for you—would become more, not less, likely to agree to a larger request later on. In one study, they asked 150 housewives in Palo Alto, California, if they would sacrifice two hours of their time: a research team of five or six people would come...
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