In Order for Pearson's R to Be Calculated

question 52

Multiple Choice

In order for Pearson's r to be calculated,

• A)both variables must be measured on a ratio scale
• B)the relationship must be a linear one
• C)at least one of the variables must have a restricted range
• D)the variables must be measured on at least an ordinal scale

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Definitions:

Evolutionary

Pertains to the gradual process of biological change and development over successive generations.

Extraversion

A personality trait characterized by high levels of enthusiasm, energy, sociability, talkativeness, and assertiveness.

Personality Variance

Differences in characteristics and behavioral patterns among individuals, often used to understand individuality.

Twin Studies

Research that compares the similarities and differences between monozygotic (identical) and dizygotic (fraternal) twins to understand how genetics and environment influence traits.