440 Notesfor30Sep14 Psych 440
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This 4 page Class Notes was uploaded by Danielle Mertens on Monday February 9, 2015. The Class Notes belongs to Psych 440 at Washington State University taught by Dr. Kwon in Fall. Since its upload, it has received 133 views. For similar materials see Clinical Psychology in Psychlogy at Washington State University.
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Date Created: 02/09/15
30 Sep 14 Chapter 7 Assessment Intellectual and Cognitive Measures IQ o Heritability o Behavioral genetics evaluates both genetic and environmental influences I Studies of heritability using dizygotic twins 50 monozygotic twins 100 and siblings 50 I When studying monozygotic twins if something is different then it will be due to Entirely environmental factors I Environmental influence raised togetherseparated 0 An estimated 3080 of intelligence is inherited 0 Stability Testretest reliability 0 By increasing selfefficacy you can help a person to maximize their intelligence potential 0 Less Stable greater environmental influence more malleable more susceptible to change at younger ages 0 The older you get the harder it is to make dramatic changes in IQ scores 0 Flynn effect 0 From 1972 USS IQ scores have on average gone up 3 points decade 0 People are getting smarter more exposed to cognitive tasks found on IQ tests I Technology teaching to the test perhaps the information is not completely representative Our Generation is not necessarily getting dumber but that we lack common sense Clinical Assessment 0 Wechsler Scales 0 Performance scale and verbal scale I Each of these can be further divided into a total of 15 subtests I Full Scale IQ score sum total of every test in the Wechsler Scale 0 Wechsler Adult Intelligence Scales WAISIV 0 Published in 2008 0 Ages 1690 0 Scoring System I Yields 4 index scores Verbal Comprehension Perceptual Reasoning Working Memory Processing Speed 30 Sep 14 Chapter 7 Assessment Intellectual and Cognitive Measures 5 NJ 815 I DE 1 l I fill Ital 433 EEU 45D Mean 1 ED 25D 3 5I1 Mean IQ 100 SD 15 points 85115 IQ will be 6826 of population 70130 IQ will hold 95 of population 0 Subtests o Vocab coding similarities block design spatial awareness visual motor coordination arithmetic working memory matrix reasoning abstract reasoning visual processing digit span string of working memory information picture completion logic perceptual reasoning used to replace for those with physical disability comprehension product of the upbringing figure weights balancing the scale perceptual reasoning symbol search is this symbol present processing speed visual puzzles visual processing perceptual reasoning letternumber sequencing working memory canceHa on 2 October 14 IQ o Wechsler Intelligence Scale for Children WISCIV 0 Published in 03 usually updated every 10 years 0 Ages 616 0 4 major indexes I Verbal Comprehension I Perceptual Reasoning Hierarchical I Working Memory I Processing Speed 30 Sep 14 Chapter 7 Assessment Intellectual and Cognitive Measures Chapter 8 Personality Assessment Objective Testing 0 Objective Personality Measures 0 Fixed set of responses that the patient is allowed to choose from I TF I YN I Dimensional scaling likertlike scaling strongly agree to disagree 0 Assessment Procedures 0 Advantages of Objective Testing O 0000 O economical quick to take large group testing doesn t need to be done individually computer administration scoring and interpretation can target a single dimension or trait straightfonNard objective standardized and reliable interrater reliability will be high 0 Disadvantages of Objective Testing 0 Questions may be uncharacteristic of respondent misunderstood might not apply Underlying reason for behavior not apparent impersonal Mix of behaviors hard to sort out unrepresentative extraneous variable mood or bored Distorted or lost info Misunderstood rating scale computer issues Purposeful incorrect answering prevent or encourage diagnosis Misinterpretation context response style Methods of Construction for Objective tests 0 Content Validation O 0 Starting with the variable that you are interested in decide what variable to assess and design test items to measure that variable Variable gt design test to measure Requires I include all relevant aspects of that variable depression sleep appetite I consult experts seen a lot of depressed patients or have done research I psychometric analysis internally consistent test retest relate to other variables etc 0 Empirical criterion keying 0 Generate a large pool of items determine which items discriminate bn two groups 80 of depressed group says i like cheese vs 20 of non Dissertation joke we just won t design a test The content of the items really does not matter does that item differentiate between the two groups 30 Sep 14 Chapter 7 Assessment Intellectual and Cognitive Measures I interpreting the meaning of items can be difficult Trivia Minnesota Multiphasic Personality Inventory MMPI and MMPI2 o Selfreport inventory 0 Original Purpose 1943 ID psychiatric diagnoses that a person should receive I NERP didn t work 0 Used to infer personality traits and presence of psychopathology in a variety of settings 0 Can be computer scored 0 Item selection 0 Empirical Criterion Keying o MMPI 550 items I 1943 I Clinical group 800 patients in psychiatric hospitals with various diagnoses in Minnesota I Nonclinical group 700 visitors to University of Minnesota hospitals NONREPRESENTATIVE due to common visitors 0 Criticized for being nonrep of US 0 All white typically married around 35 with 8 years of edu o MMPIll 567 items I 1989 I Sample based on 1980 US Census 0 Highly educated sample only 5 only had less than college 45 were current college students 0 MMPIIIRF restructured form 0 2008 no new items just different way of scoring 0 338 items 0 Based on more modern psychometric techniques introduced Restructured Clinical RC scales
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