Wechsler Intelligence Scales Overview

Flashcards covering key concepts related to Wechsler Intelligence Scales.

Wechsler-Bellevue Intelligence Scale

The first intelligence test published by David Wechsler in 1939.

Stanford-Binet

An earlier individually administered intelligence test criticized for its lack of validity for adults.

Mental age norms

Standards previously used for assessment that were inappropriate for adults.

Performance scale

A scale that includes nonverbal reasoning tasks, introduced by Wechsler.

WAIS-IV

Wechsler Adult Intelligence Scale, fourth edition, updated in 2008.

WISC-V

Wechsler Intelligence Scale for Children, fifth edition, published in 2014.

WPPSI-IV

Wechsler Primary and Preschool Scale of Intelligence, fourth edition, introduced in 2012.

Reliability

The consistency of a test's results over time.

Validity

The degree to which a test measures what it claims to measure.

Subtests

Individual parts of a test that assess specific abilities or skills.

Fluid reasoning

The ability to think logically and solve problems in novel situations, independent of acquired knowledge.

Index comparisons

Evaluating performance across different scales to identify relative strengths and weaknesses.

Idiosyncratic responses

Unique or abnormal test responses that may reveal deeper cognitive processes.