Lecture 9 - Reliability Validity

Lecture 9 - Reliability Validity - Psych 301W Lecture 9...

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Psych 301W – Lecture 9 Fall 09 - Wede Lecture 9 – Reliability and Validity Chapter 5 Reliability and Validity Problems with self-report measures Reactivity Changes in responding that occur when individuals know they are being measured _________________ -The natural tendency for research participants to present themselves in a positive or socially acceptable way to the researcher “I think the experimenter wants me to answer ‘Yes’ so that’s what I’ll say.” Social Desirability Scale Used to account for this motivation Self-promotion Occurs when research participants respond in ways that they think will make them look good “If I answer ‘No’ I’ll look like an idiot, so I’ll say ‘Yes’.” Behavioral Measures Types of behavioral variables include: _________________ (How often does the behavior occur) _________________(Time from start to finish) _________________ (How “strong” is the behavior) _________________ (Time between stimulus and response) 1
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Psych 301W – Lecture 9 Fall 09 - Wede Nonreactive Measures
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Lecture 9 - Reliability Validity - Psych 301W Lecture 9...

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