If a Significant Main Effect Involves an Independent Variable with Two

question 24

Multiple Choice

If a significant main effect involves an independent variable with two conditions, the main effect is interpreted by

• A)testing the simple main effects.
• B)inspecting the means.
• C)testing the interaction.
• D)doing follow-up or post hoc tests.

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Definitions:

Sampling Distribution

The spectrum of probabilities for a predetermined statistic, collected from a random sample.

Probability Density Function

A function that describes the likelihood of obtaining the possible values that a random variable can assume, used in continuous probability distributions.

Finite Population Correction Factor

A correction applied to standard errors or variances when sampling from a finite population without replacement, to account for the decreased variability.

Population Mean

The average of all the values in a population, calculated as the sum of all values divided by the number of values.