A Researcher in the Area of IQ Wishes to Measure

question 70

Short Answer

A researcher in the area of IQ wishes to measure a sample of children using the WISC III. The standard deviation on the WISC-III is 15. How large a sample should be selected if the researcher wishes to be .95 accurate to within 3 IQ points?

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Definitions:

Intellectual Development Disorder (IDD)

A disorder characterized by significantly impaired intellectual and adaptive functioning, diagnosed based on below-average intelligence and difficulty managing everyday tasks.

Sheltered Workshop

A supervised workplace for individuals with disabilities, providing specialized employment opportunities and training.

Displays Resiliency

Exhibiting the capacity to recover quickly from difficulties or adapt effectively in the face of adversity.

Intellectualization

A defense mechanism where reasoning is used to block confrontation with an unconscious conflict and its associated emotional stress, focusing instead on abstract and intellectual thought.