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Measuring personality. MANY METHODS ALL HAVE STRENGTHS & WEAKNESSES. Observation Interview Objective Tests Projective Tests. Behavioral observations. Record certain “actions” Rating scales Situational testing-simulations (test how someone would act in a given situation). Interview.
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MANY METHODSALL HAVE STRENGTHS & WEAKNESSES • Observation • Interview • Objective Tests • Projective Tests
Behavioral observations • Record certain “actions” • Rating scales • Situational testing-simulations (test how someone would act in a given situation)
Interview • Unstructured=led by responses-informal • Structured=planned series of questions • Computerized • Diagnostic=look for symptoms/feelings
Pre-conceptions of interviewer (house-wife, college student, ski bum) People try to deceive Halo effect =generalize a favorable /unfavorable impression to unrelated details of personality Limitations of Interview
Objective Tests= Personality Questionnaires • Paper & Pencil tests • Questions & Scoring are standardized • Reliable • Valid
Minnesota Multiphasic Personality Inventory567 True or False Items • Everything tastes the same. • There is something wrong with my mind. • I enjoy animals. • Whenever possible, I avoid being in a crowd. • I have never done anything dangerous for the thrill of it. • I daydream often. • Someone has been trying to poison me.
Projective Tests • Each stimulus has no “specific” significance so meaning applied is a “projection” of the subject’s interests/conflicts • Many tests
Sentence Completion • I am happiest when….. • My mother….. • If I could do anything I would… • I get angry when…. • People don’t understand why I….
Thematic Apperception Test (TAT) • Henry Murray • Vague pictures • Subject tells “story” about what they see • Before and after prompts
Rorschach (inkblot test) • 10 Ink blots • Reflect inner feelings & conflicts • Lowest validity among personality tests • Culturally sensitive