After Two Years of Age, Infants Become Much More Interested

question 49

Multiple Choice

After two years of age, infants become much more interested in

• A)bonding.
• B)non-verbal communication.
• C)familiar voices.
• D)unusual objects.

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Definitions:

Independent Variable

A variable in a scientific experiment that is manipulated or changed to test its effects on the dependent variable.

Coefficient of Correlation

A numerical measure that indicates the strength and direction of a linear relationship between two variables.

Coefficient of Variation

A measure of relative variability computed as the ratio of the standard deviation to the mean, often expressed as a percentage.

Covariance

A measure indicating the extent to which two variables change together, signifying the direction of their linear relationship.