EDUC 812module 2 Quiz: One-Sample t-Test (Liberty university)

If all other values are held constant, what happens to the value of t when sample size increases?: t increases Online Residential Athletics Request Info Apply Now Visit Us Create Guest Account Sign In t decreases (m1 - m2 ) increases (m1 - m2 ) decreases 2 / 2 pts Question 2 If the alpha level is .05, then the condence level is 90% 95% 100% 2 / 2 pts Question 3 A Type II error occurs when the researcher did not reject the null when null is false. True False 2 / 2 pts Question 4 The results of a study that used an one-samples t test was t(23) = 3.20, p = .01. Based on these results, what were the degrees of freedom? .01 23 3.20 28 2 / 2 pts Question 5 The one-sample t-test is used to determine if there is a difference between a selected sample mean and a population mean. True False 2 / 2 pts Question 6 The Kolmogorov-Smirnov tests for what assumption? The normality assumption The homogeneity of variance assumption The assumption of extreme outliers 2 / 2 pts Question 7 Which of the following is a measure of effect size used for a onesample t test? Chi-square Cohen’s d d.f. 2 / 2 pts Question 8 Suppose you read the following in a journal. Using a one-sample ttest the author reported that t(23) = 1.27, p = .21. Should the author reject or fail to reject the null?