PSYC 2250 Week 5_1 Outline.pptx - Chapter 5 Measurement Review of Learning Objectives o 2 List three ways psychologists typically operationalize

PSYC 2250 Week 5_1 Outline.pptx - Chapter 5 Measurement...

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Chapter 5 Measurement Review of Learning Objectives o 2. List three ways psychologists typically operationalize variables: self-report, observational, and physiological. o 3. Identify three types of reliability (test-retest, interrater, and internal), and explain when each type is relevant. o 4. Apply scatterplots and the correlation coefficient, r , as a way to describe the direction and strength of a relationship.
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Internal Reliability/Consistency o Consistency among items on a scale o Consistency in the pattern of answers, no matter how the items are phrased o Measure the same people with _multiple items tapping into the same construct. o Useful when averaging across the items to get a single overall score for each participant
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Example: Rosenberg Self-esteem Scale o 1. On the whole, I am satisfied with myself. o 2. At times I think I am no good at all. [R] o 3. I feel that I have a number of good qualities. o 4. I feel that I do not have much to be proud of. [R] o 5. I take a positive attitude toward myself. o 6. I certainly feel useless at times. [R] o 7. I feel that I’m a person of worth, at least on an equal plane with others. o 8. I wish I could have more respect for myself. [R] o 9. All in all, I am inclined to feel that I am a failure. [R] o 10. I am able to things as well as most other people.
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  • Winter '18
  • Shae Strachan

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