Groups Whose Results Are Reflected by the Essay

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groups whose results are reflected by the t ratios in Tables 2 and 3?

The pretest group and the post-test group.

Which't ratio in Table 2 represents the greatest relative or standardized difference between the pretest and 3 months outcomes? Is this t ratio statistically significant? Provide a rationale for your answer.

The't score that represents the greatest relative difference between pretest and 3 months is t = 4.14. The results of the analyses indicate that this is a statistically significant result, with p < .05.

Which't ratio listed in Table 3 represents the smallest relative difference between the pretest and 3 months? Is this t ratio statistically significant? What does this result mean?

The't value that is the smallest represents health responsibility and is t = 1.03. It is not statistically significant, as the analyses did not indicate it to be so (i.e. no * next to the value).

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What are the assumptions for conducting a t-test for dependent groups in a study? Which of these assumptions do you think were met by this study?

There are four main assumptions that must be met when conducting a t-test for dependent groups.

i. Normal distribution of scores

ii. Interval or ratio levels of measurement for Dependent Variables iii. The groups examined for differences are dependent based on matching or subjects serving as their own control.

iv. The differences between the paired scores are independent

This study met the third assumption -- as participants were matched based on age, sex and diagnosis.

5. Compare the 3 months and 6 moths t ratios for the variable Exercise from Table 3. What is your conclusion about the long-term effect of the health promotion intervention on Exercise in this study?

The t-scores.....

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