A researcher obtains t = 2.25 for a repeated-measures study using a sample of n = 10 participants. Based on this t value, what is the correct decision for a two-tailed test?
a. Reject the null hypothesis with = .05 but not with = .01
b. Reject the null hypothesis with both = .05 and = .01
c. Fail to reject the null hypothesis with both = .05 and = .01
d. Cannot make a decision without additional information
Question 2
A researcher conducts a repeated-measures study to evaluate a treatment with a sample of n = 16 participants and obtains a t statistic of t = 1.94 . The treatment is expected to increase scores and the sample mean shows an increase. Which of the following is the correct decision for a hypothesis test using = .05?
a. Reject the null hypothesis with a one-tailed test but fail to reject with two tails
b. Reject the null hypothesis with either a one-tailed or a two-tailed test
c. Fail to reject the null hypothesis with either a one-tailed or a two-tailed test
d. Fail to reject the null hypothesis with a one-tailed test but reject with two tails
Hannah Höch, Study for "Cut with the Kitchen Knife Dada through the Last Weimar Beer Belly ...
Sample Exercise Program for Limited Older Adults (cont.)
Sample Advance Directive Cont.
Sample Items from the Brief Multidimensional Measure of Religiousness/Spirituality (BMMRS)
Determine the mass percent of Fe3+ in a 0.546g sample of iron ore, if 22.40 mL of a 0.1000 M ...
A sample of 400 observations will be taken from an infinite population. The population ...