An Educational Psychologist Is Testing the Discriminant Validity of a New

question 63

Multiple Choice

An educational psychologist is testing the discriminant validity of a new measure of numerical learning difficulties. He gives his measure to a group of students along with another measure of verbal learning difficulties, which he predicts should not be strongly related to numerical learning difficulties. Which of the following correlations would the psychologist hope to find in order to establish discriminant validity?

• A)r = 1.0
• B)r = −1.0
• C)r = 0.83
• D)r = −0.18

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Definitions:

Social Class

A division of a society based on social and economic status.

Social Strata

Layers within a society, formed based on various criteria such as wealth, occupation, and education, which define a person's social standing or class.

Pecking Order

A social hierarchy among a group, where individuals or entities are ranked relative to each other.

Luxury-Goods Spending

The expenditure on products and services that are considered high-quality, prestigious, and often more expensive than necessary.