Intelligence and IQ Testing Overview
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Questions and Answers

Which of the following best describes Cattell's concept of 'fluid intelligence'?

  • The ability to solve problems using learned patterns.
  • Innate ability to solve new problems and perceive relationships. (correct)
  • Accumulated knowledge gained through life experiences.
  • Knowledge that is highly dependent upon verbal skills.
  • According to Halstead, what is the primary function of the 'Abstraction' cognitive function?

  • To perceive similarities and differences between objects or concepts. (correct)
  • To maintain cognitive strength by suspending emotional responses.
  • To organize and integrate new experiences.
  • To focus and direct a person's abilities.
  • According to Halstead, which cognitive factor is responsible for providing focus and direction to a person's cognitive abilities?

  • Power
  • Directional (correct)
  • Central integrative
  • Abstraction
  • What do research findings generally suggest about the relationship between brain volume and IQ?

    <p>A moderate positive correlation, with larger brains slightly associated with higher IQ. (C)</p> Signup and view all the answers

    Which of the following is a core generalization proposed by Piaget regarding cognitive growth?

    <p>The sequence of cognitive growth is fixed but the timing may vary. (A)</p> Signup and view all the answers

    Which of the following is NOT a commonality in how intelligence has been defined?

    <p>Accumulating vast amounts of knowledge (C)</p> Signup and view all the answers

    According to Sternberg's definition, what is a key element in determining intelligence?

    <p>Fit with one's sociocultural context (D)</p> Signup and view all the answers

    What is a main characteristic of the psychometric approach to intelligence?

    <p>Focus on classifying and predicting differences (B)</p> Signup and view all the answers

    What does Spearman's 'g' factor represent in his model of intelligence?

    <p>A general factor common to all intellectual activities (D)</p> Signup and view all the answers

    Which of Gardner's intelligences focuses on the ability to understand and interact with others?

    <p>Interpersonal (A)</p> Signup and view all the answers

    Which of the following is an example of a non-traditional intelligence, as theorized by Gardner?

    <p>Musical (A)</p> Signup and view all the answers

    According to the provided information, which outcome is NOT predicted by intelligence tests?

    <p>Political affiliation (B)</p> Signup and view all the answers

    What did Boring (1923) famously define intelligence as?

    <p>Whatever is measured by an intelligence test (B)</p> Signup and view all the answers

    Which of the following best describes the earliest use of civil service examinations?

    <p>To establish a competent administrative ruling class. (C)</p> Signup and view all the answers

    What characteristic is most important when considering if a test is 'standardized'?

    <p>The test uses uniform procedures to administer, score, and interpret all individual’s tests. (A)</p> Signup and view all the answers

    Which of these is NOT considered when testing for psychological constructs?

    <p>Whether the constructs are easy to observe directly. (C)</p> Signup and view all the answers

    Which of the following are all considered types of dispositional tests?

    <p>Personality, interests, and values (A)</p> Signup and view all the answers

    Which test is likely to have great psychometric properties but less usefulness?

    <p>A lactose intolerance test used on people without any signs of intolerance. (D)</p> Signup and view all the answers

    What is the primary focus of the field of psychometrics?

    <p>Developing and evaluating psychological tests. (C)</p> Signup and view all the answers

    According to the description of Binet and Simon, what is a key component of intelligence?

    <p>The talent of adapting oneself to circumstances. (A)</p> Signup and view all the answers

    Which of the following is an example of a test based on abilities/perceptual-motor skills?

    <p>A test evaluating hand-eye coordination and mechanical aptitude. (A)</p> Signup and view all the answers

    What was the primary purpose of the Binet-Simon Intelligence Scale when it was first developed?

    <p>To differentiate between normal and abnormal learners. (B)</p> Signup and view all the answers

    How did the Stanford-Binet test improve upon the original Binet-Simon scale?

    <p>By introducing the concept of Intelligence Quotient (IQ) and allowing for comparisons across age groups. (A)</p> Signup and view all the answers

    Which of the following statements best describes the purpose of the Wechsler-Bellevue Intelligence Scale (WBIS)?

    <p>It was developed due to dissatisfaction with the Stanford-Binet's suitability for adults. (C)</p> Signup and view all the answers

    What does the Full Scale IQ (FSIQ) on the Wechsler scales represent?

    <p>An equal weighting of verbal and performance scores. (D)</p> Signup and view all the answers

    According to the information, when should the Full Scale IQ (FSIQ) be considered invalid?

    <p>When there is a discrepancy of more than 12 points between the Verbal IQ (VIQ) and Performance IQ (PIQ). (A)</p> Signup and view all the answers

    What do large discrepancies between Verbal IQ (VIQ) and Performance IQ (PIQ) potentially indicate?

    <p>They have diagnostic value and may suggest cognitive or cultural factors. (D)</p> Signup and view all the answers

    What is the prevalence of intellectual disability (ID) according to the provided content?

    <p>2% of the general population. (A)</p> Signup and view all the answers

    What is the main reason that the Wechsler scales have been re-standardized over the years?

    <p>To maintain accuracy of results as demographics change and to account for the Flynn Effect. (A)</p> Signup and view all the answers

    Flashcards

    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

    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

    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

    The ability to group things, perceive similarities and differences, and categorize information. It is a fundamental skill for thinking abstractly.

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    Power Function

    A measure of undistorted cognitive strength, including the ability to control emotions and focus despite distractions. It provides a stable foundation for thinking.

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    Intelligence: A General Definition

    The ability to think abstractly, learn from experience, solve problems through reasoning, adapt to new situations, and focus abilities to achieve goals.

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    Spearman's 'g' Factor

    A statistical factor that represents general intelligence, common to all types of intellectual activity. It's like a global IQ.

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    Spearman's 's' Factors

    Specific factors that are unique to individual problems. For example, musical intelligence is a specific factor.

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    Gardner's Multiple Intelligences

    A theory that intelligence consists of eight distinct abilities, including linguistic, logical-mathematical, musical, bodily-kinesthetic, interpersonal, intrapersonal, naturalistic, and spatial.

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    Linguistic Intelligence

    The ability to use language effectively, including reading, writing, and speaking.

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    Logical-Mathematical Intelligence

    The ability to reason logically, solve mathematical problems, and think scientifically.

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    Musical Intelligence

    The ability to understand and create music, including playing instruments and composing melodies.

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    Bodily-Kinesthetic Intelligence

    The ability to use one's body effectively, including dance, sports, and crafts.

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    Ancient Greeks & Individual Differences

    The belief that individual differences in human characteristics have consequences in real life.

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    Ancient Chinese & Civil Service Exams

    The first use of civil service exams to select competent bureaucrats, creating the world's first meritocracy.

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    Psychological Constructs

    Hypothetical constructs with meaningful implications and measurable, useful values.

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    Why We Test

    Using tests to assess people's abilities, potential or knowledge.

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    Mental Tests

    Tests designed to measure mental abilities, including aptitude, achievement, and intelligence.

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    Dispositional Tests

    Tests that measure personality traits, interests, attitudes, values, moods, and emotions.

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    Abilities/Perceptual-Motor Skills Tests

    Tests that measure abilities in artistic, creative, neuropsychological, and mechanical domains.

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    Standardized Test

    A test where uniform procedures are used for administration, scoring, and interpretation, ensuring consistent results across individuals.

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    Binet-Simon

    A test developed by Alfred Binet in 1905 to measure a child's intellectual ability. It measures the child's mental age, which is the age at which a child is performing intellectually.

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    Ratio IQ

    A type of intelligence quotient (IQ) that is based on the ratio of a person's mental age to their chronological age. It is calculated by dividing the mental age by the chronological age and multiplying by 100.

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    Test Adaptation

    A process of adapting a test to a new language and culture. The Stanford-Binet Intelligence Scale was translated from French to English and adapted to American culture by Lewis Terman.

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    Deviation IQ

    A form of intelligence testing where the scores are based on how well a person performs compared to others their same age.

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    Cognitive Abilities in Wechsler

    A set of cognitive abilities that are measured by the Wechsler intelligence scales. They include verbal comprehension, perceptual reasoning, working memory, and processing speed.

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    Flynn Effect

    A phenomenon where IQ scores have been rising over time for each generation. This could be due to better nutrition, increased access to education, and other factors.

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    Significant Discrepancies in IQ

    A situation where a person's IQ scores significantly differ between verbal and performance domains. This might indicate learning difficulties or cultural influences, making the overall IQ score less reliable.

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    Intellectual Disability

    A condition characterized by significant limitations in intellectual functioning and adaptive behaviors, typically starting before the age of 18. It is generally diagnosed when the Full-Scale IQ is below 70.

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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.

    • Spearman (1927): Two-factor model, with a general factor (g) common to all intellectual activities and specific factors (s) unique to problems.

    • Gardner (1983): Theorized eight independent abilities, including five not previously recognized, based largely on observations in classrooms.

    • 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.

    • 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.

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