Which of the following scenario poses a serious problem when using a paired-samples t test, one-tailed? a. The sample has less than 40 participants. b. There is a ceiling effect in the test, which is likely to make the population of difference scores highly skewed. c. Pretest and posttest scores are highly correlated with each other. d. The population of difference scores is approximately normal
Which of the following scenario poses a serious problem when using a paired-samples t test, one-tailed? a. The sample has less than 40 participants. b. There is a ceiling effect in the test, which is likely to make the population of difference scores highly skewed. c. Pretest and posttest scores are highly correlated with each other. d. The population of difference scores is approximately normal
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Question
Which of the following scenario poses a serious problem when using a paired-samples t test, one-tailed?
a. |
The sample has less than 40 participants.
|
|
b. |
There is a ceiling effect in the test, which is likely to make the population of difference scores highly skewed.
|
|
c. |
Pretest and posttest scores are highly
|
|
d. |
The population of difference scores is approximately normal
|
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