Podcast
Questions and Answers
Which of the following best describes Cattell's concept of 'fluid intelligence'?
Which of the following best describes Cattell's concept of 'fluid intelligence'?
According to Halstead, what is the primary function of the 'Abstraction' cognitive function?
According to Halstead, what is the primary function of the 'Abstraction' cognitive function?
According to Halstead, which cognitive factor is responsible for providing focus and direction to a person's cognitive abilities?
According to Halstead, which cognitive factor is responsible for providing focus and direction to a person's cognitive abilities?
What do research findings generally suggest about the relationship between brain volume and IQ?
What do research findings generally suggest about the relationship between brain volume and IQ?
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Which of the following is a core generalization proposed by Piaget regarding cognitive growth?
Which of the following is a core generalization proposed by Piaget regarding cognitive growth?
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Which of the following is NOT a commonality in how intelligence has been defined?
Which of the following is NOT a commonality in how intelligence has been defined?
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According to Sternberg's definition, what is a key element in determining intelligence?
According to Sternberg's definition, what is a key element in determining intelligence?
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What is a main characteristic of the psychometric approach to intelligence?
What is a main characteristic of the psychometric approach to intelligence?
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What does Spearman's 'g' factor represent in his model of intelligence?
What does Spearman's 'g' factor represent in his model of intelligence?
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Which of Gardner's intelligences focuses on the ability to understand and interact with others?
Which of Gardner's intelligences focuses on the ability to understand and interact with others?
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Which of the following is an example of a non-traditional intelligence, as theorized by Gardner?
Which of the following is an example of a non-traditional intelligence, as theorized by Gardner?
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According to the provided information, which outcome is NOT predicted by intelligence tests?
According to the provided information, which outcome is NOT predicted by intelligence tests?
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What did Boring (1923) famously define intelligence as?
What did Boring (1923) famously define intelligence as?
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Which of the following best describes the earliest use of civil service examinations?
Which of the following best describes the earliest use of civil service examinations?
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What characteristic is most important when considering if a test is 'standardized'?
What characteristic is most important when considering if a test is 'standardized'?
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Which of these is NOT considered when testing for psychological constructs?
Which of these is NOT considered when testing for psychological constructs?
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Which of the following are all considered types of dispositional tests?
Which of the following are all considered types of dispositional tests?
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Which test is likely to have great psychometric properties but less usefulness?
Which test is likely to have great psychometric properties but less usefulness?
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What is the primary focus of the field of psychometrics?
What is the primary focus of the field of psychometrics?
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According to the description of Binet and Simon, what is a key component of intelligence?
According to the description of Binet and Simon, what is a key component of intelligence?
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Which of the following is an example of a test based on abilities/perceptual-motor skills?
Which of the following is an example of a test based on abilities/perceptual-motor skills?
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What was the primary purpose of the Binet-Simon Intelligence Scale when it was first developed?
What was the primary purpose of the Binet-Simon Intelligence Scale when it was first developed?
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How did the Stanford-Binet test improve upon the original Binet-Simon scale?
How did the Stanford-Binet test improve upon the original Binet-Simon scale?
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Which of the following statements best describes the purpose of the Wechsler-Bellevue Intelligence Scale (WBIS)?
Which of the following statements best describes the purpose of the Wechsler-Bellevue Intelligence Scale (WBIS)?
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What does the Full Scale IQ (FSIQ) on the Wechsler scales represent?
What does the Full Scale IQ (FSIQ) on the Wechsler scales represent?
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According to the information, when should the Full Scale IQ (FSIQ) be considered invalid?
According to the information, when should the Full Scale IQ (FSIQ) be considered invalid?
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What do large discrepancies between Verbal IQ (VIQ) and Performance IQ (PIQ) potentially indicate?
What do large discrepancies between Verbal IQ (VIQ) and Performance IQ (PIQ) potentially indicate?
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What is the prevalence of intellectual disability (ID) according to the provided content?
What is the prevalence of intellectual disability (ID) according to the provided content?
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What is the main reason that the Wechsler scales have been re-standardized over the years?
What is the main reason that the Wechsler scales have been re-standardized over the years?
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Flashcards
Fluid Intelligence
Fluid Intelligence
An intelligence that is innate, allows for problem-solving, and understanding relationships. It's independent of learned knowledge and often expressed nonverbally.
Crystallized Intelligence
Crystallized Intelligence
An intelligence that accumulates through learning and experience. It's built upon the foundation of fluid intelligence and is often expressed verbally through language.
Central integrative Function
Central integrative Function
The ability to organize and integrate new experiences into existing knowledge. It is a central cognitive function that helps us make sense of the world.
Abstraction Function
Abstraction Function
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Power Function
Power Function
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Intelligence: A General Definition
Intelligence: A General Definition
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Spearman's 'g' Factor
Spearman's 'g' Factor
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Spearman's 's' Factors
Spearman's 's' Factors
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Gardner's Multiple Intelligences
Gardner's Multiple Intelligences
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Linguistic Intelligence
Linguistic Intelligence
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Logical-Mathematical Intelligence
Logical-Mathematical Intelligence
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Musical Intelligence
Musical Intelligence
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Bodily-Kinesthetic Intelligence
Bodily-Kinesthetic Intelligence
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Ancient Greeks & Individual Differences
Ancient Greeks & Individual Differences
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Ancient Chinese & Civil Service Exams
Ancient Chinese & Civil Service Exams
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Psychological Constructs
Psychological Constructs
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Why We Test
Why We Test
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Mental Tests
Mental Tests
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Dispositional Tests
Dispositional Tests
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Abilities/Perceptual-Motor Skills Tests
Abilities/Perceptual-Motor Skills Tests
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Standardized Test
Standardized Test
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Binet-Simon
Binet-Simon
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Ratio IQ
Ratio IQ
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Test Adaptation
Test Adaptation
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Deviation IQ
Deviation IQ
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Cognitive Abilities in Wechsler
Cognitive Abilities in Wechsler
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Flynn Effect
Flynn Effect
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Significant Discrepancies in IQ
Significant Discrepancies in IQ
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Intellectual Disability
Intellectual Disability
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Study Notes
Intelligence and IQ Testing
- Ancient Greeks (BCE) recognized individual differences and their real-life implications.
- Ancient Chinese (220 BCE – 1905 AC) were the first to use civil service examinations, creating a meritocratic ruling class.
- Modern intelligence testing is based on the idea that individuals differ along hypothetical psychological constructs.
- These constructs are not directly observable but have meaningful implications and are measurable.
Premises Behind Testing Today
- Individuals differ along hypothetical psychological constructs that are explanatory variables not directly observable (e.g., self-esteem).
- These constructs have meaningful implications.
- Constructs are measurable, and the measurements are useful.
Why We Test
- Screening/selecting applicants
- Evaluating functioning/assessment
- Personal development
- Research
3 Types of Tests
- Mental Tests:
- Aptitude tests
- Achievement tests
- Intelligence tests
- Dispositional Tests:
- Personality
- Interests, attitudes, values
- Mood, emotions
- Abilities/Perceptual-Motor Skills Tests:
- Artistic/creative
- Neurological
- Mechanical ability
Quality Tests Are Always...
- Standardized: Uniform procedures are used for administering, scoring, and interpreting all individual tests.
- Normed: Representative sample data is used to compare scores against.
Psychometrics
- The field of psychology (and education) that specializes in the development and evaluation of psychological tests.
3 Levels of Evaluation
- Reliability
- Validity
- Generalizability
Test Quality
- Depends on a test's usefulness.
- Example: Lactose intolerance test vs. criminal test, both equally psychometrically good.
- Ultimately, test quality is subjective.
Intelligence Tests
- Defining intelligence is difficult and controversial.
- Intelligence is understood through its effects.
Definitions of Intelligence
- Binet and Simon (early 20th century): Judgment, practical sense, initiative, and adapting to circumstances.
- Terman (1916): Ability to do abstract thinking.
- Wechsler (1958): Ability to act purposefully, think rationally, and deal effectively with the environment. Includes motivation and goals, as well as cognitive skills.
- Sternberg (1999): Ability to achieve success in life in terms of one's personal standards, within one's sociocultural context.
- Boring (1923): Intelligence is whatever is measured by an intelligence test.
Commonalities in Definitions
- Abstract thinking
- Benefitting from experience
- Solving problems through reasoning
- Adapting to new situations
- Focusing abilities to achieve goals
Scrap It?
- Some suggest abandoning the attempt to define or test intelligence.
Intelligence Tests Predict Success
- Education
- Occupation
- Socioeconomic outcomes
- Mortality and quality of life
3 Approaches: Last 100 Years
1. Psychometric Approach
-
Intelligence can be measured to reveal individual differences.
-
Early emphasis was on practicality (classification, prediction) over theory.
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Spearman (1927): Two-factor model, with a general factor (g) common to all intellectual activities and specific factors (s) unique to problems.
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Gardner (1983): Theorized eight independent abilities, including five not previously recognized, based largely on observations in classrooms.
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Cattell (1963): Two intelligences – fluid (innate, solving new problems) and crystallized (learned, accumulated knowledge).
2. Neurological Approach
-
Halstead (1961) proposed four biological-based cognitive functions that are relatively independent of culture.
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Halstead's Four Factors:
- Central integrative
- Abstraction
- Power
- Directional
3. Developmental Approaches
- Emphasis on the thoughts, not just the results of intelligence.
- Piaget (1972) recognized qualitative differences in children's thinking across age groups and their fixed patterns of cognitive development. Timing varies, but the sequence of cognitive growth is consistent.
- Cognitive development is mostly complete in late teens.
Binet Scales
- 1904 – Alfred Binet developed an intelligence test for the French government to identify “normal” and “abnormal” learners.
- Items were tested systematically with various aged groups of children to select items accurately answered.
- 1905 – Binet-Simon Intelligence Scale consisted of 30 questions; score was measured by Mental Age (the age at that a child performs intellectually).
- First test able to predict school performance.
Stanford-Binet
- 1916 – Lewis Terman translated the Binet-Simon test to English and introduced Intelligence Quotient (IQ).
- IQ = (Mental Age / Chronological Age) × 100, which allowed for comparison across age groups.
Wechsler's Scale
- Developed in response to the limitations in the Stanford-Binet for adults.
- Wechsler-Bellevue Intelligence Scale (WBIS; 1939): Equal weighting of verbal and performance.
- 11 subtests taken from other tests.
Later versions of Wechsler's Scale (WAIS)
- Several revisions of the WAIS test have been introduced over the years to keep up with changing demographics and the Flynn Effect.
Interpreting Scores
- FSIQ (Full Scale IQ) is most important because it's the most reliable and valid measure.
- Discrepancies of 12 points or more between verbal and performance IQs suggest the overall IQ is invalid, and each factor should be evaluated separately.
- Large discrepancies have diagnostic value (suggesting learning disabilities, brain damage, or cultural factors).
Low IQ
- Low IQ and intellectual disabilities are still studied extensively.
- Criteria for intellectual disability (ID):
- Low IQ (typically ≤ 70)
- Low functional behavior (e.g., daily life skills)
- Early onset (< 18 years old)
High IQ
- IQ > 130 is associated with giftedness.
- Genius is often confused with giftedness.
Termites
- Longitudinal study of children with high IQs (> 155) reveals that high intelligence does not automatically translate to exceptional achievement.
- Termites were often healthier physically, mentally, and emotionally, although sometimes more rebellious, restless, strong-willed and obnoxious than their counterparts. (These were the stereotypes shattered.)
Problems with IQ Testing
- Misinterpretation and misuse: Henry Goddard introduced intelligence testing to the U.S. and advocated eugenics.
- Bias: Tests have been criticized for cultural, socioeconomic, and linguistic bias. Disparity in outcomes does not equal bias.
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Description
This quiz explores the history and premises behind intelligence and IQ testing. It covers the development of testing from ancient civilizations to modern practices, examining how individuals' psychological constructs are assessed. Additionally, it highlights the importance and applications of these tests in various contexts.