The Gender Difference in Smiling Is Small, D = −

question 34

True/False

The gender difference in smiling is small, d = −.10.

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Definitions:

Interval Variables

Another term for interval data, indicating variables measured along a scale on which each point is placed at equal distance from one another, with meaningful quantifiable differences but without a true zero.

Spearman Correlation

A measure of rank correlation, independent of parametric assumptions, which determines how accurately a monotonic function can depict the relationship between two variables.

Sample Statistic

A numerical measurement describing some aspect of a sample taken from a population.

Gross Revenue

The total amount of revenue generated by a business before deductions for expenses are made.