In Nonequivalent Control Group Designs,the Comparison Group Is Selected by Using

question 45

Multiple Choice

In nonequivalent control group designs,the comparison group is selected by using ______.

• A)matching and randomization
• B)stratified sampling
• C)individual and aggregate matching
• D)convenience

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Definitions:

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution of data, often using the mean, median, or mode.

Average Scores

A statistical measure that represents the central or typical value in a set of data, calculated by dividing the sum of all values by the number of values.

Probability

A measure of the likelihood that an event will occur, quantified as a number between 0 and 1, where 0 indicates impossibility and 1 indicates certainty.

Descriptive Statistics

Statistical procedures used to summarize, organize, and simplify data, including measures of central tendency and variability.