BOOK: Grove, S. & Cipher, D. (2020). Statistic for Nursing Research: A workbook for evidence-based practice.

EXERCISE 13 : Questions to be graded:

1. Were the vegetable intakes for both the parents and children in this study adequate? Provide a rationale for your answer.
2. What is the value of Pearson r for the relationship between child self-esteem and body esteem? Describe this relationship and discuss its statistical significance.
3. What is the largest relationship in Table 3? What percentage of variance was explaiend by this relationship? Show your calculations and round your answer to two decimal places.
4. Is the relationship in Question 3 clinically important? Is the relationship statistically significant? Provide rationales for your answer.
5. Describe the correlation r = -0.40* using words. Is this a statistically significant correlation? Provide a rationale for your answer.
6. State the null hypothesis for Question 5. Was the hypothesis accepted for rejected? Provide a rationale for your answer.
7. What Pearson 4 value was calculated for the relationship between sedentary behavior and BMI%? What were the effect size (ES) and strength of this relationship? Provide a rationale for your answer.
8. Is the relationship between sedentary behavior and BMI% statistically significant? Is the relationship clinically important? Provide a rationale for your answers.
9. In they hypothetical study, BMI and perceived quality of life were correlated at Pearson r = 0.41. The sample size was N=87, significance level = 0.05, and the data examined with a two-tailed test. Using the Table for Critical Values for Pearson r in Appendix B, determine if r = 0.41 is statistically significant. Provide a rationale for your answer.
10. Are the findings from the Hartson et al. (2018) study ready for use in practice? Provide a rationale for your answer.