With Increasing Age

question 42

Multiple Choice

With increasing age,

• A) the developmental profiles of IQ scores for fraternal twins are more similar than the developmental profiles for identical twins.
• B) IQ scores for both identical and fraternal twins become increasingly alike.
• C) IQ scores for identical twins become less similar, and, by age 15, they are no more alike than are scores for non-twin siblings.
• D) the developmental profiles for IQ scores of identical twins are more similar than the developmental profiles for fraternal twins.

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Definitions:

F Ratio

The ratio of variance between groups to variance within groups in an ANOVA test, used to determine if there are significant differences between groups.

Variability

The measure of how much the scores in a data set differ from each other and from the mean.

Equation Interpretation

The process of explaining the meaning of a mathematical equation, including how variables and constants represent real-world quantities and relationships.

F Value

A statistic obtained in analysis of variance (ANOVA) testing, used to determine whether the means of several groups are equal or show significant differences.