One widely used intelligence test is the Wechsler Adult Intelligence Scale (WAIS), developed by David Wechsler. The WAIS measures general intelligence (IQ) through multiple subtests that evaluate different cognitive skills, including verbal comprehension, perceptual reasoning, working memory, and processing speed. Scores from these areas combine to form a full-scale IQ score, reflecting an individual’s overall intellectual functioning.

How it works:
Participants complete a series of timed tasks, such as solving puzzles, defining words, repeating numbers, or identifying patterns. The test provides both an overall IQ score and index scores for each domain.

Strengths:

Provides a comprehensive view of cognitive abilities, not just a single IQ number.

Can help identify learning disabilities or cognitive strengths and weaknesses.

Useful in educational, psychological, and clinical contexts.

Weaknesses:

May be influenced by language, cultural background, and test anxiety.

Requires trained professionals to administer and interpret results.

Focuses on specific types of intelligence and may not reflect creativity or emotional intelligence.

Conclusion:
While intelligence tests like the WAIS offer valuable insights into cognitive potential, they should be complemented by other assessments that measure learning, motivation, and creativity for a fuller picture of an individual’s abilities.

References:

Wechsler, D. (2008). Wechsler Adult Intelligence Scale – Fourth Edition (WAIS-IV). Pearson Assessment.

American Psychological Association. (2023). Intelligence and IQ Testing Overview.

Sternberg, R. J. (2020). Theories of Intelligence. Cambridge University Press.