Lecture 2 PSY220 Methods & Social Self (2013) shortened for PDF(1)

Non representave sample literary digest readers were

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Unformatted text preview: x? Why Have §༊  §༊  1,549 intro psychology students completed a survey regarding their reasons for engaging in sex How frequently do you engage in sex because . . . ? §༊  The person had a desirable body. §༊  I wanted to impress friends. §༊  I realized I was in love. §༊  I did want to “lose” the person. §༊  I felt lonely. Surveys §༊  §༊  §༊  Allow us to measure aetudes, behaviors, or feelings that are difficult to observe Can obtain representa>ve samples But beware of generalizing from a non- random sample U.S. 1936 Elec>on §༊  §༊  §༊  §༊  American magazine, Literary Digest, sampled 2 million people Predicted that Alf Landon would win by a landslide, but Franklin Roosevelt took every state but two What went wrong? (Non- representa>ve sampl...
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