In Experimental Studies, but NOT in Other Studies

question 48

Multiple Choice

In experimental studies, but NOT in other studies,

• A) the researcher manipulates the dependent variables.
• B) the researcher manipulates the independent variables.
• C) the researcher tries to eliminate the effects of extraneous variables.
• D) the researcher examines a priori differences between groups.

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Definitions:

Sample Mean

The average value computed from a sample of data, used to estimate the population mean.

Descriptive Measures

Statistical calculations used to summarize or describe characteristics of a dataset, including measures like count, mean, median, and mode.

Central Tendency

A statistical measure that identifies a single value as representative of an entire distribution, aiming to provide an accurate description of the entire data set.

Median

The middle value in a data set, which divides the set into two equal halves, with an equal number of data points above and below it.