What Is the Only Way to Determine Whether an Interaction

question 47

Multiple Choice

What is the only way to determine whether an interaction exists between independent variables?

• A) Include both of them in the design
• B) Add a third level of an independent variable
• C) Add more subjects to the experiment
• D) Add a control variable to the experiment

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Definitions:

Box Plot

A visual representation of the distribution of a dataset that shows the median, quartiles, and outliers, presenting a five-number summary of the dataset.

5-number Summary

A descriptive statistic that provides a quick overview of a dataset's distribution through five key numbers: minimum, first quartile, median, third quartile, and maximum.

Interquartile Range

The measure of variability which is the difference between the third quartile and the first quartile in a dataset, indicating the spread of the middle 50%.

Percentiles

Values or scores below which a given percentage of observations in a group of observations fall.