Personality Assessment POST

Personality Assessment POST - Personality Testing PSYC 352...

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Personality Testing PSYC 352 July 15, 2009
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Agenda Take a personality test How useful is a personality test?: Reliability, validity, generalizability Personality Testing Projective tests Objective tests Dangers of personality testing Review
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Instructional Objectives At the end of this lesson, students should be able to: Identify the criteria for evaluating psychological tests Identify the difference between projective and objective personality tests, and give examples of each type Demonstrate a basic understanding of the rational, factor analytic, and empirical methods of constructing personality tests, their strengths, and their limitations Apply personality test criteria to a sample personality test Discuss some of the perils of personality testing
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Warm up: Take three minutes to complete the personality test you have selected. If you finish before time is called, you may take another one if available.
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Quality of personality test information Whatever type of personality test you use, the quality of the results it produces are measured by three criteria: Reliability Validity Generalizability
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Quality of information from personality tests: Reliability (pp. 56-60) Reliability = consistency Inter-rater reliability : degree of consensus among different raters (e.g., psychologists) of personality Test-retest reliability : degree of consistency of one person’s test scores over time
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Quality of information from personality tests: Validity (pp. 60-62) Validity = truth or accuracy Are the test results correct? Construct validity : reflects the extent to which a test measures the psychological attribute (also called a construct) that it is trying to measure
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Validity, continued Construct validation : the process of determining the construct validity of a test. It involves establishing: Concurrent validity : extent to which test agrees with valid measures of the same construct Predictive validity : extent to which the test predicts what it should be able to predict
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Quality of information from personality tests: Generalizability (pp. 62-66) Generalizability : Do the results of the personality test apply across individuals, situations, and periods in time?
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Who uses personality tests? Clinical psychologists Other research psychologists Personnel departments The military These are often omnibus personality inventories - they measure many traits at a time
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Show someone an ambiguous stimulus and see how he or she interprets it. The interpretation will tell you about the inner
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Personality Assessment POST - Personality Testing PSYC 352...

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