9-10-08 - Psychology 206 Class Notes 9/10/08 Getting...

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Getting started: - Exercise 4 feedback - Exercise 5 feedback Validity of measurements Correlational research She doesn’t collect assignments RIGHT BEFORE an exam – allow you to go over the exercise to study and prepare for the quiz/exam turn in exercise 5 on FRIDAY Content validity – operationalization reflects variable Construct validity – Variable reflects construct Internal validity – manipulation of IV makes the difference in DV – no confounds External validity – The findings generalize beyond study (do the findings generalize from the research situation [lab, field]) to the real world High incentive ($.05 verus $0.01) this DOES NOT generalize beyond the laboratory situation this is a question of EXTERNAL VALIDITY o Instead of $.05 for high incentive, use $10.00 for high incentive Anytime you find a study that “recruits” – it’s a sample that consists of volunteers A scatter plot is a way of representing the relationship between two variables. For exercise 5 –
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9-10-08 - Psychology 206 Class Notes 9/10/08 Getting...

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