Since the Invention of IQ Tests, Psychologists Have Periodically Rewritten

question 210

Multiple Choice

Since the invention of IQ tests, psychologists have periodically rewritten the tests and intentionally made the test more difficult. Why?

• A) to prevent cheating
• B) to keep the mean score from rising above 100
• C) because the tests are now being used for different purposes than they were in the past
• D) because low IQ scores have greater reliability than high scores do

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Definitions:

Parallel Processing

The ability of the brain to simultaneously process incoming stimuli of differing quality, a part of cognitive function that enables efficient multitasking.

Cocktail Party Effect

This describes the human ability to focus one's auditory attention on a particular stimulus while filtering out a range of other stimuli, as when listening to a single conversation in a crowded room.

Change Blindness

A perceptual phenomenon where a change in a visual stimulus goes unnoticed by the observer.

Sequential Processing

A method of processing information in a linear, ordered manner, where one step follows another in a sequence.