Including a Nuisance Variable

question 29

Multiple Choice

Including a nuisance variable

• A) is a mistake to be avoided
• B) can increase the sensitivity of the experiment
• C) is a type of manipulation check
• D) decreases the generality of the results

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Definitions:

Slope

A measure of the steepness, incline, or grade of a line, indicating the ratio of the vertical change to the horizontal change between two points on the line.

90th Percentile

A value below which 90% of the data points in a dataset fall.

Yearly Donations

The total sum of money given by donors to an organization within a year.

Thousands of Dollars

A unit of measure indicating the amount in multiples of one thousand dollars, often used to simplify financial figures.