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In a study examining the effect of alcohol on reaction time, Liguori and Robinson (2001) found that even moderate alcohol consumption significantly slowed response time to an emergency situation in a driving simulation. In a similar study, researchers measured veaction time 30 minutes after participants consumed one 6-ounce glass of wine. Again, they used a stan- dardized driving simulation task for which the regular population averages u = 400 msec. The distribution of reaction times is approximately normal with o = 40. Assume that the researcher obtained a sample mean of M = 422 for the n = 25 participants in the study. a. Are the data sufficient to conclude that the alcohol has a significant effect on reaction time? Use a two-tailed test with a = .01. b. Do the data provide evidence that the alcohol significantly increased (slowed) reaction time? Use a one-tailed test with a = .01. %3D c. Compute Cohen's d to estimate the size of the effect.

In a study examining the effect of alcohol on reaction time, Liguori and Robinson (2001) found that even moderate alcohol consumption significantly slowed response time to an emergency situation in a driving simulation. In a similar study, researchers measured veaction time 30 minutes after participants consumed one 6-ounce glass of wine. Again, they used a stan- dardized driving simulation task for which the regular population averages u = 400 msec. The distribution of reaction times is approximately normal with o = 40. Assume that the researcher obtained a sample mean of M = 422 for the n = 25 participants in the study. a. Are the data sufficient to conclude that the alcohol has a significant effect on reaction time? Use a two-tailed test with a = .01. b. Do the data provide evidence that the alcohol significantly increased (slowed) reaction time? Use a one-tailed test with a = .01. %3D c. Compute Cohen's d to estimate the size of the effect.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
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
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tailed test 14. In a study examining the effect of alcohol on reaction reaction time 30 minutes after participants consumed simulation. In a similar study, researchers measured moderate alcohol consumption significantly slowed one 6-ounce glass of wine. Again, they used a stan- response time to an emergency situation in a driving time, Liguori and Robinson (2001) found that even moderate alcohol consumption significantly slowed time to an emergency situation in a driving response simulation. In a similar study, researchers measured reaction time 30 minutes after participants consumed one 6-ounce glass of wine. Again, they used a stan- dardized driving simulation task for which the regular population averages u = 400 msec. The distribution of reaction times is approximately normal with o = 40. A ssume that the researcher obtained a sample mean of M = 422 for the n = 25 participants in the study. a. Are the data sufficient to conclude that the alcohol has a significant effect on reaction time? Use a two-tailed test with a =.01. b. Do the data provide evidence that the alcohol significantly increased (slowed) reaction time? Use a one-tailed test with a = .01. %3D c. Compute Cohen's d to estimate the size of the effect.
Transcribed Image Text:tailed test 14. In a study examining the effect of alcohol on reaction reaction time 30 minutes after participants consumed simulation. In a similar study, researchers measured moderate alcohol consumption significantly slowed one 6-ounce glass of wine. Again, they used a stan- response time to an emergency situation in a driving time, Liguori and Robinson (2001) found that even moderate alcohol consumption significantly slowed time to an emergency situation in a driving response simulation. In a similar study, researchers measured reaction time 30 minutes after participants consumed one 6-ounce glass of wine. Again, they used a stan- dardized driving simulation task for which the regular population averages u = 400 msec. The distribution of reaction times is approximately normal with o = 40. A ssume that the researcher obtained a sample mean of M = 422 for the n = 25 participants in the study. a. Are the data sufficient to conclude that the alcohol has a significant effect on reaction time? Use a two-tailed test with a =.01. b. Do the data provide evidence that the alcohol significantly increased (slowed) reaction time? Use a one-tailed test with a = .01. %3D c. Compute Cohen's d to estimate the size of the effect.
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