Question

A health psychologist was interested in dieting and weight loss among men and women. Based on previous research, it was predicted that in the first two weeks of a dieting program, women would lose more weight than men. To test this prediction, a randomly selected 18 husband-wife pairs were put on the same strenuous diet. Their weight loses after two weeks were measured and compared using a paired samples t-test. The following output was obtained. Paired Samples Statistics \begin{tabular}{ll|l|l|r|r} & & Mean & \( N \) & Std. Deviation & Std. Error Mean \\ \hline Pair 1 & husband & 3.617 & 18 & 1.3600 & .3206 \\ \cline { 2 - 6 } & wife & 4.456 & 18 & .9787 & .2307 \\ \hline \end{tabular} Paired Samples Test Paired Samples Effect Sizes a. The denominator used in estimatina the effect sizes.

          A health psychologist was interested in dieting and weight loss among men and women. Based on previous research, it was predicted that in the first two weeks of a dieting program, women would lose more weight than men. To test this prediction, a randomly selected 18 husband-wife pairs were put on the same strenuous diet. Their weight loses after two weeks were measured and compared using a paired samples t-test. The following output was obtained.
Paired Samples Statistics
\begin{tabular}{ll|l|l|r|r} 
& & Mean & \( N \) & Std. Deviation & Std. Error Mean \\
\hline Pair 1 & husband & 3.617 & 18 & 1.3600 & .3206 \\
\cline { 2 - 6 } & wife & 4.456 & 18 & .9787 & .2307 \\
\hline
\end{tabular}

Paired Samples Test

Paired Samples Effect Sizes
a. The denominator used in estimatina the effect sizes.

A health psychologist was interested in dieting and weight loss among men and women. Based on previous research, it was predicted that in the first two weeks of a dieting program, women would lose more weight than men. To test this prediction, a randomly selected 18 husband-wife pairs were put on the same strenuous diet. Their weight loses after two weeks were measured and compared using a paired samples t-test. The following output was obtained.
Paired Samples Statistics

Mean N Std. Deviation Std. Error Mean

Pair 1 husband 3.617 18 1.3600 .3206

2 - 6 wife 4.456 18 .9787 .2307

Paired Samples Test

Paired Samples Effect Sizes
a. The denominator used in estimatina the effect sizes.

Added by Amanda A.

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