The Number of Degrees of Freedom Associated with the T-Test

question 80

Short Answer

The number of degrees of freedom associated with the t-test, when the data are gathered from a matched pairs experiment with 40 pairs, is: $\begin{array}{|l|l|}\hline\text { A. } & 38 . \\\hline \text { B. } & 39 . \\\hline \text { C. } & 1 . \\\hline \text { D. } & 2 . \\\hline\end{array}$

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Definitions:

Idiographic Approach

The idiographic approach is a method in psychological study focusing on the unique characteristics and experiences of an individual to understand their behavior.

Nomothetic

An approach in psychology that seeks to produce general statements and universal laws of behavior through the study of large groups.

Reliability

The degree to which an assessment tool produces stable and consistent results over repeated use.

Validity

The extent to which a test or instrument measures what it is supposed to measure.