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Case 1 Demonstrate understanding of the importance of considering the level of significance (alpha), desired power, effect size, and the statistical tests when computing the
Case 1 Demonstrate understanding of the importance of considering the level of significance (alpha), desired power, effect size, and the statistical tests when computing the appropriate sample size for a study and use G*power to compute the appropriate sample size Instruction 1. Determine the appropriate sample size using G*power for a study that will employ an independent sample t-test, level of significance (alpha)= 0.05, power =0.80, and using the three levels of effect size a) for a small effect size, use 0.20 b) for medium effect size, use 0.50 c) for a large effect size, use 0.80 Take screenshots of the result for each effect size. Then answer the following questions: 1.) Which of the obtained values would you recommend? Explain why 2.) Why is it important that researchers determine the appropriate sample size with consideration of the level of significance, effect size, and power? Additional question: 1. Which effect size should you use? Explain Why 2. What factors must researchers consider in determining the appropriate sample size? Note: G*Power Screenshots of the result for each effect size
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