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CHAPTER 13: PSYCHOLOGICAL TESTING

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Presentation on theme: "CHAPTER 13: PSYCHOLOGICAL TESTING"— Presentation transcript:

1 CHAPTER 13: PSYCHOLOGICAL TESTING

2 SECTION 1: CHARACTERISTICS OF PSYCHOLOGICAL TESTING

3 TEST RELIABILITY Reliability: ability of a test to give the same results under similar conditions 3 ways to determine: 1) Retesting: approx. score must be maintained 2) test yields same results from various people 3) Split-half: divide test items in half and score each separately

4 TEST VALIDITY Validity: ability of a test to measure what it is intended to measure Best way to measure validity: predictive validity (finding out afterwards)

5 STANDARDIZATION Tests that are administered and graded in the same way
Must est. a norm (avg score) made by a large group

6 ESTABLISHING NORMS Percentile system: ranking of test scores that indicates the ratio of scores lower and higher than a given score Norms: standard of comparison for test results developed by giving the test to a large, well-defined group of people

7 SECTION 2: INTELLIGENCE TESTING

8 INTELLIGENCE Def: the ability to acquire new ideas and new behavior, and to adapt to new situations Varying views…

9 TWO-FACTOR THEORY OF INTELLIGENCE
Charles Spearman 2 factors contribute to intelligence 1) g—general intelligence (complex mental work) 2) s—specific mental abilities (verbal/math) Critics: g does not measure other mental abilities

10 THURSTONE’S THEORY OF INTELLIGENCE
L.L. Thurstone Opposed 2-factor theory Proposed 7 primary mental abilities Verbal comprehension, numerical ability, spatial relations, perceptual speed, word fluency, memory, inductive reasoning

11 GARDNER’S THEORY OF MULTIPLE INTELLIGENCES
Howard Gardner 8 types of intelligence Verbal, logical/mathematic, spatial, musical, body-kinesthetic, interpersonal, intrapersonal, naturalist Critics: most of these are skills, not intelligences

12 STERNBERG’S THEORY OF INTELLIGENCE
Robert Sternberg Triarchic Theory: intelligence can be divided into 3 ways of processing info 1)Analytical—problem solving 2)Creative—dealing with new things 3)Practical—adjusting and coping with environment

13 EMOTIONAL INTELLIGENCE
Includes 4 major aspects of intra/interpersonal intelligences 1)accurately and appropriately perceive and express emotions 2) Uses emotions while thinking

14 EMOTIONAL INTELLIGENCE
3) Understand emotions and use the knowledge effectively 4) Regulate one’s emotions to promote personal growth

15 DEVELOPMENT OF INTELLIGENCE TESTS

16 STANFORD-BINET INTELLIGENCE SCALE
Groups test items by age level Standardized Intelligence Quotient (IQ): standardized measure of intelligence based on a scale in which is average Otis-Lennon Ability Test: measures cognitive abilities related to school

17 THE WECHSLER TESTS Wechsler Adult Intelligence Scale (WAIS-R)
Wechsler Intelligence Scale for Children (WISC-III)—6-16 yr olds Wechsler Preschool and Primary Scales of Intelligences (WPPSI-R)—4-7 yr olds

18 CONTROVERSY OVER IQ TESTING

19 NATURE VS NURTURE Identical twins have similar IQs
Those raised in the same environment have similar IQs Both heredity and environment impact intelligence

20 CULTURAL BIAS Def: an aspect of an intelligence test in which wording in questions may be more familiar to people of one social group than to another group

21 SECTION 3: MEASURING ACHIEVEMENT, ABILITIES, AND INTERESTS

22 APTITUDE TESTS Def: estimates the probability that a person will be successful in learning a specific new skill Assessed with predictive validity General Aptitude Test Battery (GATB): most widely used---9 different tests ranging from vocabulary to manual dexterity SAT and ACT (American College Test): predict student’s success in college

23 ACHIEVEMENT TESTS Def: measures how much a person has learned in a given subject area Assessed with content validity Adaptive testing: computer testing that responds to your performance

24 INTEREST INVENTORIES Def: measure of a person’s preferences and attitudes in a wide variety of activities to identify areas of likely success Answer patterns will correspond with occupations Kuder Preference Record and the Campbell Interest and Skill Survey

25 SECTION 4: PERSONALITY TESTING

26 PERSONALITY TEST Def: assesses an individual’s characteristics and identifies problems Some are objective and some are projective

27 OBJECTIVE TESTS Def: a limited-or-forced-choice test in which a person must select one of several answers

28 THE MMPI Minnesota Multiphasic Personality Inventory
Answers reveal habits, fears, delusions, sexual attitudes, and symptoms of psych disorders Best for diagnosing psych disorders

29 CPI California Psychological Inventory
Measures traits like responsibility, self-control, and tolerance Used to assess the “normal” person Does NOT reveal psychiatric illnesses

30 MYERS-BRIGGS TEST Focuses on how we take in info, make decisions, and approach day-to-day tasks 4 scales: 1) Extraversion v. Introversion 2) Intuition v. Sensing 3) Feeling v. Thinking 4) Judging v. Perceiving Personality is a combination of these

31 PROJECTIVE TESTS Def: an unstructured test in which a person is asked to respond freely, giving his/her own interpretation of various ambiguous stimuli

32 RORSCHACH INKBLOT TEST
Best known and most widely discussed Hermann Rorschach (1921) Theory: A person’s response will reveal an aspect of that person’s personality

33 TAT Thematic Apperception Test Developed by Henry Murray (1943)
Participants are asked to tell a story about a picture (20 pictures total) Used to assess motivation and personality characteristics


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