If You Wish to Determine Whether There Is Evidence That

question 81

Multiple Choice

If you wish to determine whether there is evidence that the proportion of items of interest is
Higher in group 1 than in group 2, the appropriate test to use is

• A) the Z test for the difference between two proportions.
• B) the F test for the ratio of variances.
• C) the pooled-variance t test for the difference between two proportions.
• D) the F test for the difference between two proportions.

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Definitions:

Extraversion

A quality in someone's character that involves being sociable, loquacious, forthright, and having a notable capacity for showing emotions vividly.

Agreeableness

A personality trait characterized by qualities such as kindness, cooperation, warmth, and consideration of others.

Empirically Derived Tests

Psychological tests developed by creating a large pool of items, then selecting those that discriminate between different groups of people based on empirical data.

Factor Analysis

A statistical method used to identify clusters of related variables and simplify data by reducing it to underlying factors.