Splash Screen
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Transcript of Splash Screen
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Splash Screen
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Chapter Menu
Chapter Introduction
Section 1: Characteristics of Psychological Tests
Section 2: Intelligence Testing
Section 3: Measuring Achievement, Abilities, and Interests
Section 4: Personality Testing
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Chapter Preview 1
Chapter Objectives · Section 1Characteristics of Psychological Tests
Examine the characteristics that make a psychological test useful: reliability, validity, and standardization.
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Chapter Preview 2
Chapter Objectives · Section 2Intelligence Testing
Explore the ways in which IQ tests are used to measure intelligence and explain the various theories of what constitutes intelligence.
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Chapter Preview 3
Chapter Objectives · Section 3Measuring Achievement, Abilities, and Interests
Describe the various test psychologists have developed to assess special abilities and experiences.
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Chapter Preview 4
Chapter Objectives · Section 4Personality Testing
Explain how personality tests are used to assess personality characteristics and identify problems.
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Section 1-Main Idea
Main Idea
To be useful, tests have to be standardized and exhibit reliability and validity.
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Section 1-Key Terms
Vocabulary
• reliability
• validity
• percentile system
• norms
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Section 1-Objectives
Objectives
• Identify three ways of measuring reliability.
• Explain test standardization and how test validity is assessed.
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A. A
B. B
C. C
D. D
Section 1-Polling Question
A B C D
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What does the fairness and usefulness of a test depend on?
A. Reliability
B. Validity
C. Standardization
D. All of the above
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Section 1
Characteristics of Psychological Tests
• A test can:
– Predict how well a person might do in a career.
– Assess an individual’s desires, interests, and attitudes.
– Reveal psychological problems.
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Section 1
Characteristics of Psychological Tests(cont.)
• A standardized test can:
– Provide comparable data about many individuals.
– Show how an individual compares to others.
– Help psychologists help people understand things about themselves more clearly.
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Section 1
• The fairness and usefulness of a test depend on reliability, validity, and standardization.
Characteristics of Psychological Tests(cont.)
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A. A
B. B
C. C
D. D
Section 1
A B C D
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Which is NOT a way of determining a test’s reliability?
A. Test-retest
B. Scorer
C. Split-half
D. Time-retime
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Section 1
Test Reliability
• Reliability refers to the ability of a test to give the same results under similar conditions.
• Three ways of determining a test’s reliability:
– Test-retest reliability
– Interscorer (and scorer) reliability
– Split-half reliability
Judging Reliability
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A. A
B. B
C. C
Section 1
A B C
0% 0%0%
If every other student in a class receives a different test on the same subject matter, is this reliable?
A. Yes
B. No
C. It depends on the results.
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Section 1
Test Validity
• Validity is the ability of a test to measure what it is intended to measure.
• One of the chief methods for measuring validity is to find out its predictive validity—how well a test predicts performance.
Judging Validity
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Section 1
Test Validity (cont.)
• Nothing can be said about a test’s validity unless the purpose of the test is absolutely clear.
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A. A
B. B
C. C
D. D
Section 1
A B C D
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What is the chief method for measuring validity?
A. Predictive validity
B. Relevance
C. Precision
D. Accuracy
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Section 1
Standardization
• Standardization refers to two things:
– Standardized tests must be administered and scored the same way every time.
– Standardization refers to establishing the norm, or average score, made by a large group of people.
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Section 1
Standardization (cont.)
• Percentile system
• Norms
• Norms are not really standards; they only refer what has been found to be average for a particular group.
Establishing Percentiles
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Section 1
Standardization (cont.)
• When you take a test and obtain your score, you should consider these questions:
– Do you think that if you took the same test again, you would receive a similar score?
– Does your performance on this test reflect your usual performance in the subject?
– If you were to compare your score with those of your classmates, would it reflect your general standing within that group?
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A. A
B. B
C. C
D. D
Section 1
A B C D
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What are the two things standardization refers to?
A. Consistency and character
B. Consistency and establishing norms
C. Character and fairness
D. None of the above
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Section 2-Main Idea
Main Idea
Several IQ tests are used to measure intelligence, although there are many views about what constitutes intelligence.
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Section 2-Key Terms
Vocabulary
• Intelligence
• two-factor theory
• triarchic theory
• emotional intelligence
• intelligence quotient (IQ)
• heritability
• cultural bias
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Section 2-Objectives
Objectives
• Explain the various views of intelligence.
• Identify two kinds of IQ tests.
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A. A
B. B
C. C
Section 2-Polling Question
Do you think IQ tests are good indication of intelligence?
A. Yes
B. No
C. Not sure
A B C
0% 0%0%
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Section 2
Views of Intelligence
• Intelligence
• Two-factor theory of intelligence—a person’s intelligence is composed of a general ability level and specific mental abilities.
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Section 2
Views of Intelligence (cont.)
• Thurstone’s theory of intelligence—intelligence is composed of seven primary mental abilities:
– Verbal comprehension
– Numerical ability
– Spatial relations
– Perceptual speed
– Word fluency
– Memory
– Inductive reasoning
Thurstone’s Seven Primary Mental Abilities
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Section 2
Views of Intelligence (cont.)
• Gardner’s Theory of Multiple Intelligences:
– Verbal ability
– Logical-mathematical reasoning skills
– Spatial ability
– Musical ability
– Body-kinesthetic ability
– Interpersonal skills
– Intrapersonal skills
– Naturalist intelligence
– Experience of existence
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Section 2
Views of Intelligence (cont.)
• Gardner argues that the biological organization of the brain affects one’s strength in each of the eight areas.
• His critics claim that some of the capacities are really just skills.
Gardner’s Multiple Intelligences
Howard Gardner
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Section 2
Views of Intelligence (cont.)
• Sternberg’s Theory of Intelligence—the triarchic theory—a person’s intelligence involves analytical, creative, and practical thinking skills.
• Emotional Intelligence
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Section 2
• Four major aspects of emotional intelligence:
– The ability to perceive and express emotions accurately and appropriately.
– The ability to use emotions while thinking.
– The ability to understand emotions and use the knowledge effectively.
– The ability to regulate one’s emotions to promote personal growth.
Views of Intelligence (cont.)
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A. A
B. B
C. C
D. D
Section 2
A B C D
0% 0%0%0%
According to Gardner’s Multiple Intelligences, being skilled at distinguishing differences among large numbers of similar objects falls under which label?
A. Linguistic
B. Spatial
C. Interpersonal
D. Naturalist
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Section 2
The Development of Intelligence Tests
• The Standford-Binet Intelligence Scale groups test items by age level.
• The IQ, or intelligence quotient (IQ), is a standardized measure of intelligence based on a scale in which 100 is average.
Typical Items on the Stanford-Binet Test
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Section 2
The Development of Intelligence Tests (cont.)
• The Otis-Lennon Ability Test is often used today—this test seeks to measure the cognitive abilities that are related to a student’s ability to learn and succeed in school.
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Section 2
The Development of Intelligence Tests (cont.)
• The Wechsler Tests—These tests yield percentile scores in separate areas, such as vocabulary and arithmetic, which provide a more detailed picture of the individual’s strengths and weaknesses.
Sample Items on the Wechsler Tests
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A. A
B. B
C. C
D. D
Section 2
A B C D
0% 0%0%0%
Which test seeks to measure the cognitive abilities that are related to a student’s ability to learn and succeed in school?
A. Stanford-Binet
B. Wechsler
C. Otis-Lennon
D. None of the above
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Section 2
The Uses and Meaning of IQ Scores
• IQ tests seem to be most useful when related to school achievement.
• They are accurate in predicting which people will do well in schools, colleges, and universities.
• However, critics wonder whether such tests actually measure intelligence.
Distribution of IQ Scores
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A. A
B. B
C. C
D. D
Section 2
A B C D
0% 0%0%0%
What percentage of people score between 70 and 130 on IQ tests?
A. 50
B. 75
C. 85
D. 95
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Section 2
Controversy Over IQ Testing
• The main question—
– Do genetic differences or environmental inequalities cause two people to receive different scores on intelligence tests?
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Section 2
Controversy Over IQ Testing (cont.)
• Researchers test people with varying degrees of genetic relationships to help answer this question.
• They have found a high degree of heritability
• As genetic relationship increases, the similarity of IQ also increases.
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Section 2
Controversy Over IQ Testing (cont.)
• Factors such as the richness of the home environment, the quality of food, and the number of brothers and sister in the family also affect IQ.
• So, research has proven that both heredity and environment have an impact on intelligence.
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Section 2
Controversy Over IQ Testing (cont.)
• A major criticism of intelligence tests is that they have a cultural bias.
The Dove Counterbalance Intelligence Test
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A. A
B. B
Section 2
Which do you think plays a greater factor in a person’s IQ, genetics or environmental factors?
A. Genetics
B. Environmentalfactors
A B
0%0%
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Section 3-Main Idea
Main Idea
Psychologists have developed tests to assess special abilities and experiences.
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Section 3-Key Terms
Vocabulary
• aptitude test
• achievement test
• interest inventory
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Section 3-Objectives
Objectives
• Identify the most widely used aptitude tests, achievement tests, and interest inventories.
• Explain the application of aptitude tests, achievement tests, and interest inventories.
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A. A
B. B
C. C
D. D
Section 3-Polling Question
A B C D
0% 0%0%0%
Which class do you best excel in?
A. Math
B. Science
C. English
D. History
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Section 3
Aptitude Tests
• Aptitude tests estimate the probability that the person will be successful in learning a specific new skill.
• They are assessed in terms of their predictive validity.
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Section 3
Aptitude Tests (cont.)
• Examples:
– Differential Aptitude Test (DATE)
– General Aptittude Test Battery (GATB)
– SAT
– ACT
The GATB
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A. A
B. B
C. C
D. D
Section 3
A B C D
0% 0%0%0%
Which test is used to measure how well a student will do in law school?
A. SAT
B. GATB
C. LSAT
D. MCAT
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Section 3
Achievement Tests
• Achievement tests are designed to measure how much a person has already learned in a particular area.
• They are validated in terms of their content validity, or how well they measure a student’s mastery of a set of knowledge.
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Section 3
Achievement Tests (cont.)
• The distinction between aptitude and achievement tests rests more on purpose and validation than on content.
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Section 3
• Computers are often used to administer adaptive testing.
• The computer changes the question difficulty as it adapts the test to your performance.
• If you answer several problems correctly, the computer challenges you with harder problems and vice versa.
Achievement Tests (cont.)
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Section 3
• Adaptive instruction—by increasing the questions posed on topics you are missing, the computer reinforces more careful studying in areas least understood.
Achievement Tests (cont.)
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A. A
B. B
C. C
D. D
Section 3
A B C D
0% 0%0%0%
What kind of testing is used if harder questions are given to you when answer a couple questions correctly?
A. Adaptive
B. Computerized
C. Innate
D. Content validity
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Section 3
Interest Inventories
• Interest inventory—measures a person’s preferences and attitudes in a wide variety of activities to identify areas of likely success.
• The purpose of these measures is to help people find the career that is right for them.
The KPR
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A. A
B. B
C. C
D. D
Section 3
A B C D
0% 0%0%0%
What is the purpose of the Kuder Preference Record?
A. To help people find thecareer that is right for them
B. To measure intelligence
C. To measure physical strength
D. To help people find thecollege that is right for them
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Section 4-Main Idea
Main Idea
Personality tests are used to assess an individual’s characteristics and to identify problems.
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Section 4-Key Terms
Vocabulary
• personality test
• objective test
• projective test
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Section 4-Objectives
Objectives
• Identify the most widely used personality tests.
• Describe the use of personality tests.
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A. A
B. B
C. C
D. D
Section 4-Polling Question
A B C D
0% 0%0%0%
How many personality types did Hippocrates think there were?
A. 4
B. 8
C. 12
D. 16
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Section 4
Objective Personality Tests
• Personality test
• Objective test
• The items on the MMPI reveal habits, fears, delusions, sexual attitudes, and symptoms of psychological disorders.
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Section 4
Objective Personality Tests (cont.)
• It was originally developed to help diagnose psychological disorders.
• Scoring is based on patterns of responses.
• Most psychologists feel that the scores should be supplemented and confirmed with interviews and observations.
• Some critics question the test’s validity.
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Section 4
Objective Personality Tests (cont.)
• The MMPI can also differentiate demeanors such as introversion-extraversion and assertiveness.
• The CPI is similar to the MMPI, but does not have any of the questions that reveal psychiatric illnesses.
• It measures traits such as responsibility, self-control, and tolerance.
MMPI Scales
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Section 4
Objective Personality Tests (cont.)
• The Meyers-Briggs Test (MBTI) is used to predict things like adjustment to stress, leadership, and job success.
• This test focuses on how a person takes in information, makes decisions, and approaches day-to-day tasks.
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Section 4
• The MBTI characterizes personality on four different scales:
– Extraversion vs. introversion
– Intuition vs. sensing
– Feeling vs. thinking
– Judging vs. perceiving
Objective Personality Tests (cont.)
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Section 4
• The creators of the MBTI believe that each person’s personality is a combination of these characteristics.
Objective Personality Tests (cont.)
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A. A
B. B
C. C
D. D
Section 4
A B C D
0% 0%0%0%
Which test focuses on how a person takes in information, makes decisions, and approaches day-to-day tasks?
A. MMPI
B. CPI
C. MBTI
D. None of the above
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Section 4
Projective Personality Tests
• Projective test
• The test taker projects his or her feelings, perspectives, and attitudes onto the test items.
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Section 4
Projective Personality Tests (cont.)
• The theory underlying the Rorschach inkblot test is that anything that someone does or says will reveal an aspect of that person’s personality.
• Many researchers have criticized the test, charging that the scoring systems are neither reliable nor valid.
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Section 4
Projective Personality Tests (cont.)
• The Thematic Apperception Test (TAT) consists of a series of 20 cards containing pictures of vague but suggestive situations.
• The individual is asked to tell a story about the picture.
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Section 4
Projective Personality Tests (cont.)
• This test is used to:
– urge clients to speak freely about their problems.
– assess the motivation and personality characteristics of the individual.
– assess personality problems of individuals.
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Section 4
Projective Personality Tests (cont.)
• Like the Rorschach, there are many different scoring systems.
Approaches to Reducing Test Anxiety
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A. A
B. B
C. C
Section 4
Do you feel that an objective or a projective test would yield the most information about a person?
A. Objective
B. Projective
C. Not sure
A B C
0% 0%0%
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Figure 1
Judging ReliabilityOn the left, the test scores obtained by seven individuals are ordered on a scale. On the right, the corresponding scores on a second version of the same test, given at a later time, are ordered. In the upper diagram, the two sets of scores correspond very closely—meaning the test is highly reliable.
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Figure 2
Judging ValidityThe upper diagram represents the result of comparing the Stanford-Binet Intelligence Scale scores with school grades. The lower diagram represents the comparison of scores on the head size test of intelligence with school grades. (The head size test is simply measuring the size of a student’s head.)
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Figure 3
Establishing PercentilesThe range of possible raw scores on a test is shown in relation to an idealized curve that indicates the proportion of people who achieved each score. The vertical lines indicate percentiles, or proportions of the curve below certain points. Thus, the line indicated as the 1st percentile is the line below which only 1 percent of the curve lies.
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Figure 4
Thurstone’s Seven Primary Mental AbilitiesThurstone’s theory of intelligence did not include the idea of a general intelligence.
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Figure 5
Gardner’s Multiple IntelligencesGardner proposed that each person has numerous and unrelated intelligences. He points out that a person can be outstanding in some intelligences and not in others.
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Figure 6
Sample Items on the Wechsler TestsThese test items are similar to those included in the various Wechsler intelligence scales.
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Figure 7
Distribution of IQ ScoresThis normal curve displays intelligence as measured by the Stanford-Binet and Wechsler tests. The mean IQ score is 100; the standard deviation is 15.
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Figure 8
The Dove Counterbalance Intelligence TestIn the 1960s, psychologist Adrian Dove developed the Counterbalance Intelligence Test to stress that cultural background can influence performance on an intelligence test.
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Figure 9
The GATBSamples of items from the GATB testing verbal skills, mathematical skills, and manual skills are shown here.
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Figure 10
The KPRShown are items from the Kuder Preference Record (KPR). The individual taking the test chooses from among three possible activities the one he or she would most like to do and the one he or she would least like to do.
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Figure 11
MMPI ScalesThe MMPI is a true-false self-questionnaire that is designed to assess major patterns of personality and emotional disorders. Clinical scales identify the specific areas whose content includes references to a specific disorder. Validity scales assess whether the test taker was lying or faking answers.
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Figure 13
Approaches to Reducing Test AnxietyMany people worry about taking any kind of test. When someone comes to a psychologist complaining of test anxiety, the psychologist may approach the problem in a variety of ways, depending on his or her theoretical orientation.
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Figure 14
Typical Items on the Stanford-Binet Test
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Profile
Howard Gardner1943–
“I’m sure there are lots of different
intelligences. I’m sure an educational
approach that pays attention to this is going to be more
effective than one that denies it.”
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Vocab1
reliability: the ability of a test to give the same results under similar conditions
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Vocab2
validity: the ability of a test to measure what it is intended to measure
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Vocab3
percentile system: ranking of test scores that indicates the ratio of scores lower and higher than a given score
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Vocab4
norms: standard of comparison for test results developed by giving the test to large, well-defined groups of people
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Vocab5
intelligence: the ability to acquire new ideas and new behavior, and to adapt to new situations
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Vocab6
two-factor theory: proposes that a person’s intelligence is composed of a general ability level and specific mental abilities
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Vocab7
triarchic theory: proposes that a person’s intelligence involves analytical, creative, and practical thinking skills
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Vocab8
emotional intelligence: interpersonal and intrapersonal abilities needed to understand and use knowledge of emotions effectively
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Vocab9
intelligence quotient (IQ): standardized measure of intelligence based on a scale in which 100 is average
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Vocab10
heritability: the degree to which a characteristic is related to inherited genetic factors
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Vocab11
cultural bias: an aspect of an intelligence test in which the wording used in questions may be more familiar to people of one social group than to another group
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Vocab12
aptitude test: estimates the probability that a person will be successful in learning a specific new skill
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Vocab13
achievement test: measures how much a person has learned in a given subject or area
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Vocab14
interest inventory: measures a person’s preferences and attitudes in a wide variety of activities to identify areas of likely success
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Vocab15
personality test: assesses an individual’s characteristics and identifies problems
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Vocab16
objective test: a limited- or forced-choice test in which a person must select one of several answers
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Vocab17
projective test: an unstructured test in which a person is asked to respond freely, giving his or her own interpretation of various ambiguous stimuli
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