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BESC 3010 Chapter 9- Questions & Answers
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BESC 3010 Chapter 9- Questions & Answers
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BESC 3010 Chapter 9- Questions &Answers
The comparison group in a repeated measures t-test is... Correct Ans-each person's own
score at time 1.
Imagine that a researcher conducts a repeated measures t-test with critical values of ±2.78 and
gets an observed value (or test value) of t = -3.30. What is the proper conclusion in this case?
Correct Ans-Reject the null hypothesis
When the means of two samples are being compared and Cohen's d = 0, then... Correct Ans-
the means are identical.
If a research conducts an inferential test (such as a t-test) and rejects the null hypothesis, then
what is the probability of a Type II error? Correct Ans-0.00
If n = ∞, then what is the critical value of t for alpha = .05? Correct Ans-±1.96
If a researcher conducts a t-test with an alpha of .01 and gets a p-value of .25, then the
researcher should... Correct Ans-retain (i.e, fail to reject) the null hypothesis.
If you want to compare the means of two different groups to each other then you should use...
Correct Ans-a two-sample t-test.
As the means of two groups become more similar, Cohen's d will... Correct Ans-approach 0.
If you conduct a one-tailed (i.e., directional) two-sample t-test with a critical value of +2.20 and
gets an observed value of t = -3.53, then what should you do? Correct Ans-Retain the null
hypothesis
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