In the Following Correlation Matrix, Skinfolds Were Taken at Four

question 41

Multiple Choice

In the following correlation matrix, skinfolds were taken at four sites in an attempt to estimate percent body fat (%fat) . Which of the four skinfolds results in the LARGEST standard error of estimate for estimating %fat? $\begin{array}{|l|c|c|c|c|c|}\hline & \text { \%fat } & \text { Chest } & \text { Abd } & \text { Calf } & \text { Back } \\\hline \text { \%fat } & 1.00 & & & & \\\hline \text { Chest } & .48 & 1.00 & & & \\\hline \text { Abd } & .50 & .62 & 1.00 & & \\\hline \text { Calf } & .58 & .26 & .11 & 1.00 & \\\hline \text { Back } & .62 & .23 & .34 & .42 & 1.00 \\\hline\end{array}$

• A) Chest
• B) Abd
• C) Calf
• D) Back
• E) It is impossible to determine from what is given.

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Definitions:

Independent Variable

A variable in an experiment or model that is manipulated to determine its effect on a dependent variable.

Verbal Punishment

A disciplinary method involving the use of words to reprimand or criticize someone for their actions, rather than physical consequences.

Problem Behaviors

Actions or conduct that are considered undesirable or disruptive, often studied in psychology and education.

Independent Variable

The variable in an experiment that is manipulated or changed to observe its effects on the dependent variable.