In Order to Compare Scores on Individual Subtests

question 51

Multiple Choice

In order to compare scores on individual subtests,

• A)you can compare raw scores directly because of the use of a point scale.
• B)raw scores are converted to standard scores.
• C)weighted averages for each subscale are computed and then compared.
• D)scores on subscales cannot be compared to one another.

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Definitions:

Variance

A statistical measure that represents the degree of spread in a dataset or the variability of the observations from the average.

Population Mean

The average value of a particular characteristic within an entire population.

Confidence Intervals

A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter, with a certain level of confidence.

Normal Populations

Refers to groups whose underlying distribution follows a normal (Gaussian) distribution, characterized by a symmetric bell-shaped curve.