Applying Statistical Inference: an Example Typically, Researchers

question 29

Multiple Choice

Applying Statistical Inference: An Example Typically, researchers

• A)can precisely measure the degree of overlap between treatment populations.
• B)expect a high degree of overlap between treatment groups when manipulation of the independent variable is effective.
• C)find it easier to reject the null hypothesis when the variability of the dependent variable in the sampled population is high.
• D)expect some degree of overlap between treatment populations.

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Definitions:

Inclusive Range

The difference between the highest and lowest values in a data set, taking into account both extreme values.

Scores

Quantitative values assigned to individuals or objects for the purpose of comparison or measurement.

Variance

A measure of the dispersion of a set of data points, calculated as the average squared deviation from the mean of the data.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, indicating how spread out the data points are.