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Which Type of Validity Might Be Threatened If Participants in the Experimental

question 35

Multiple Choice

Which type of validity might be threatened if participants in the experimental group and control group differ significantly at the start of the study?


Definitions:

Normally Distributed

Refers to a probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Mean

The average of a set of values, calculated by dividing the sum of all values by the number of values.

Standard Deviation

An indicator used to determine the degree of scatter or deviation present in a group of data points.

Normally Distributed

A type of continuous probability distribution for a real-valued random variable where the data is symmetrically distributed, forming a bell-shaped curve.

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