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A study is conducted in which the attitudes of the staff of a rehabilitation center are assessed; then the staff is exposed to an attitude-change manipulation, and attitudes are assessed again. Another rehabilitation center of similar size is also chosen; attitudes there are measured, and then assessed again after manipulation. This quasi-experimental design is called a _____ design.
Z Score
A numerical calculation indicating how a specific value's distance from the group's average is expressed in multiple standard deviations.
Mean
The arithmetic average of a set of numbers, calculated by adding them all up and dividing by the quantity of numbers.
Standard Score
A score that expresses an individual's position relative to the mean, based on the standard deviation of the scores in the distribution.
Standard Deviations
A metric that calculates the degree of spread or variability of data points relative to their average value.
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