When the Data Form a 2 X 2 Matrix,the Phi-Coefficient

question 19

Multiple Choice

When the data form a 2 x 2 matrix,the phi-coefficient is used to measure effect size for the chi-square test for independence.If other factors are held constant,how does the sample size influence the values for phi and chi-square?​

• A)​A larger sample increases both the values of phi and chi-square.
• B)​A larger sample increases the value of phi but has no effect on the value of chi-square.
• C)​A larger sample increases the value of chi-square but has no effect on the value of phi.
• D)​Sample size does not influence either the value of phi or chi-square.

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Definitions:

Vary

To change or alter in form, appearance, or nature, often in a slight way, leading to variations within a group or patterns.

Intensity

The quality or state of being intense; often refers to the degree or amount of strength, force, energy, or feeling.

Physiological Change

Any alteration in the normal functioning or structure of a living organism, often in response to environmental factors or internal conditions.

Adrenalin Secretion

The release of adrenaline (epinephrine) from the adrenal glands, which triggers the body's fight-or-flight response.