WAIS-III Symbol Search Subtest
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Questions and Answers

What is the method of obtaining the full-scale IQ on the WAIS-III?

  • By summing the age-corrected scaled scores of the verbal and performance subtests (correct)
  • By averaging the verbal and performance subtests
  • By comparing the verbal and performance subtests to the standardization sample
  • By calculating the standard deviation of the verbal and performance subtests

What is the standard deviation of the scaled score on the WAIS-III?

  • 5
  • 15
  • 3 (correct)
  • 10

Which index score is believed to be a measure of fluid intelligence?

  • Working memory
  • Verbal comprehension
  • Processing speed
  • Perceptual organization (correct)

What is the primary function of working memory?

<p>To hold and manipulate information mentally (C)</p> Signup and view all the answers

What is the verbal comprehension index a measure of?

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

What is the primary focus of the processing speed index?

<p>To measure how quickly your mind works (C)</p> Signup and view all the answers

What is the primary objective of the Symbol Search subtest in WAIS-III?

<p>To assess speed of information processing (B)</p> Signup and view all the answers

What is the mean of the verbal IQ in the WAIS-III?

<p>100 (C)</p> Signup and view all the answers

How are the raw scores for the performance subtests converted in the WAIS-III?

<p>They are converted to scaled scores (B)</p> Signup and view all the answers

What is the purpose of comparing the summed scaled scores with the standardization sample in the WAIS-III?

<p>To calculate the deviation IQ scores (A)</p> Signup and view all the answers

Which of the following is a characteristic of the full-scale IQ in the WAIS-III?

<p>It has a mean of 100 and a standard deviation of 15 (A)</p> Signup and view all the answers

What is the significance of the standardization sample in the WAIS-III?

<p>It provides a norms for the test scores (D)</p> Signup and view all the answers

What is the primary advantage of the deviation IQ method in expressing intelligence test results?

<p>It allows for the comparison of IQ scores across different age groups (B)</p> Signup and view all the answers

What is the standard deviation of the deviation IQ in the Stanford-Binet Scale (fifth edition)?

<p>15 (D)</p> Signup and view all the answers

What is the characteristic of the routing tests in the Stanford-Binet Scale (fifth edition)?

<p>They contain similar content of increasing difficulty (D)</p> Signup and view all the answers

What is the theoretical framework that underlies the latest editions of the Stanford-Binet Scale?

<p>The gf-gc theory of intelligence (A)</p> Signup and view all the answers

What is the hierarchical structure of the gf-gc theory of intelligence?

<p>g is at the top, followed by group factors and then specific abilities (C)</p> Signup and view all the answers

What is the purpose of the routing measures in the Stanford-Binet Scale (fifth edition)?

<p>To determine the starting point for the test administration (C)</p> Signup and view all the answers

Flashcards

Full-scale IQ

Summation of age-corrected scaled scores from verbal and performance subtests.

Mean of Full-scale IQ

The average full-scale IQ score is set at 100.

Standard deviation in IQ

A measure of variation; for IQ, it is 15.

Index Scores

Four scores reflecting different cognitive abilities: verbal comprehension, perceptual organization, working memory, and processing speed.

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Verbal Comprehension Index

Measures crystallized intelligence, including knowledge and verbal reasoning.

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Perceptual Organization Index

Measures fluid intelligence, such as problem-solving and abstract thinking.

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Working Memory

Information held temporarily in mind for tasks and mental calculations.

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Processing Speed Index

Assesses how quickly and effectively one processes information.

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Symbol Search Subtest

Measures cognitive processing speed by identifying target symbols among distractors.

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Verbal IQ

Combined age-corrected scores of verbal subtests compared to a standardization sample.

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Performance IQ

Combined age-corrected scores of performance subtests compared to a standardization sample.

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Deviation IQ Method

A precise way to express IQ test results, correcting for age-related variability.

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Stanford-Binet Scale

Intelligence scale integrating age and point formats, beginning with two routing measures.

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Routing Measures

Initial subtests in the Stanford-Binet scale, one verbal and one nonverbal.

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gf-gc Theory

The theory underlying the Stanford-Binet scale, focusing on fluid and crystallized intelligence.

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Crystallized Intelligence

Knowledge acquired from education and experience, reflected in verbal comprehension.

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Fluid Intelligence

The ability to solve new problems and think logically without prior knowledge.

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Cognitive Processing

The mental activity of acquiring knowledge and understanding through thought.

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Study Notes

WAIS-III Scores

  • The full-scale IQ is obtained by summing the age-corrected scaled scores of the verbal and performance subtests and comparing the subject to the standardization sample.
  • The mean of the full-scale IQ is 100 and the standard deviation is 15.

Index Scores

  • The WAIS-III provides four index scores: verbal comprehension, perceptual organization, working memory, and processing speed.
  • Verbal comprehension index measures crystallized intelligence, which involves acquired knowledge and verbal reasoning.
  • Perceptual organization index measures fluid intelligence, which involves problem-solving and thinking.

Working Memory and Processing Speed

  • Working memory refers to the information held in one's mind, in contrast to long-term memory.
  • Working memory is responsible for performing mental calculations, such as solving math problems.
  • Processing speed index measures how quickly one can process information.

Subtests

  • The symbol search subtest measures speed of information processing and cognitive processing.
  • The task involves identifying target geometric figures among a set of search figures.

Verbal and Performance IQs

  • Verbal IQ is obtained by summing the age-corrected scaled scores of the verbal subtests and comparing with the standardization sample.
  • Performance IQ is obtained by summing the age-corrected scaled scores of the performance subtests and comparing with the standardization sample.
  • Both verbal and performance IQs have a mean of 100 and a standard deviation of 15.

Deviation IQ Method

  • The deviation IQ method is considered the most precise way of expressing the results of an intelligence test.
  • The method involves correcting for differences in variability, allowing for comparison of IQs across different age groups.

Stanford-Binet Scale

  • The fifth edition of the Stanford-Binet Scale represents an integration of the age scale and point scale formats.
  • The examination begins with one of two routing measures (subtests): one nonverbal and one verbal.
  • The scale is based on the gf-gc theory of intelligence, which incorporates a hierarchical model of intelligence.

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Description

Test your knowledge of the Symbol Search subtest in the Wechsler Adult Intelligence Scale III (WAIS-III), a measure of intelligence. Learn about the task and its significance in assessing cognitive processing speed.

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