Question
What is the correct answer to the following questions: Questions are based on, One Sample t Test, and two independent sample t Test A10. A
What is the correct answer to the following questions:
Questions are based on, One Sample t Test, and two independent sample t Test
A10. A researcher reports that the mean difference in the body weight of rats following a
pharmacological versus control treatment is 14 grams, with a pooled sample variance equal
to 256. What is the effect size for this test using estimated Cohen's d?
A) d = 0.06; small effect size
B) d = 0.08; small effect size
C) d = 0.88; large effect size
D) There is not enough information to answer this question
A11. State the critical value(s) for a t test using a 0.05 level of significance in the lower tail only:
t (24).
A. 1.711
B. -1.711
C. 2.064
D. -2.06412.
A12. Which of the following summarizes a t test that was significant and associated with a
large effect size?
A) t (22) = 3.02, p < .05, d = .36
B) t (30) = 1.03, p > .05, d = .20
C) t (60) = 1.76, p > .05, d = .45
D) t (12) = 2.95, p < .05, d = .82
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