A Test for Independence Is Applied to a Contingency Table

question 1

True/False

A test for independence is applied to a contingency table with 4 rows and 4 columns.The degrees of freedom for this chi-square test is 9.

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Definitions:

Independent Variable

In research, the variable that is manipulated or changed to observe its effect on a dependent variable.

Confounding Variable

An external factor in a research study that can cause a false association between the study variables, compromising the results' validity.

Dependent Variable

In scientific research, this is the variable being tested and measured, which is expected to change as a result of manipulations to the independent variable.

Psychotherapy

A form of treatment for mental health disorders where a trained therapist uses psychological techniques to help a patient understand and overcome their issues.