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:

Body Alignment

The optimal placement of the body parts so that the bones, muscles, ligaments, and tendons work efficiently and with minimal strain.

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Restriction of movement, often by mechanical means or medical devices, to allow healing or prevent further injury.

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A way of lying down where the person is on their back, facing upwards, often used in medical contexts.

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A condition characterized by an abnormally high level of calcium in the blood, which can cause various symptoms and require medical management.