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What is H0? Choice Answers: 1. The mean of group 1 is not the same as the mean of group 2    2. The mean of group 1 is the same as the mean of group 2   3. The number of errors for 8 hours sleep deprivation is different than the number of errors for 24 hours sleep deprivation   4. The number of errors for 8 hours sleep deprivation is equal to the number of errors for 24 hours sleep deprivation   5. The number of errors for 8 hours sleep deprivation is not different than the number of errors for 24 hours sleep deprivation   6.The number of errors for 8 hours sleep deprivation is not equal to the number of errors for 24 hours sleep deprivation   7. The number of errors for 8 hours sleep deprivation is not the same as the number of errors for 24 hours sleep deprivation   8. The number of errors for 8 hours sleep deprivation is the same as the number of errors for 24 hours sleep deprivation

What is H0? Choice Answers: 1. The mean of group 1 is not the same as the mean of group 2    2. The mean of group 1 is the same as the mean of group 2   3. The number of errors for 8 hours sleep deprivation is different than the number of errors for 24 hours sleep deprivation   4. The number of errors for 8 hours sleep deprivation is equal to the number of errors for 24 hours sleep deprivation   5. The number of errors for 8 hours sleep deprivation is not different than the number of errors for 24 hours sleep deprivation   6.The number of errors for 8 hours sleep deprivation is not equal to the number of errors for 24 hours sleep deprivation   7. The number of errors for 8 hours sleep deprivation is not the same as the number of errors for 24 hours sleep deprivation   8. The number of errors for 8 hours sleep deprivation is the same as the number of errors for 24 hours sleep deprivation

Ciccarelli: Psychology_5 (5th Edition)
Ciccarelli: Psychology_5 (5th Edition)
5th Edition
ISBN:9780134477961
Author:Saundra K. Ciccarelli, J. Noland White
Publisher:Saundra K. Ciccarelli, J. Noland White
Chapter1: The Science Of Psychology
Section: Chapter Questions
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What is H0?

Choice Answers:

1. The mean of group 1 is not the same as the mean of group 2 
 
2. The mean of group 1 is the same as the mean of group 2
 
3. The number of errors for 8 hours sleep deprivation is different than the number of errors for 24 hours sleep deprivation
 
4. The number of errors for 8 hours sleep deprivation is equal to the number of errors for 24 hours sleep deprivation
 
5. The number of errors for 8 hours sleep deprivation is not different than the number of errors for 24 hours sleep deprivation
 
6.The number of errors for 8 hours sleep deprivation is not equal to the number of errors for 24 hours sleep deprivation
 
7. The number of errors for 8 hours sleep deprivation is not the same as the number of errors for 24 hours sleep deprivation
 
8. The number of errors for 8 hours sleep deprivation is the same as the number of errors for 24 hours sleep deprivation
Paired Samples Statistics Std. Error Mean Std. Deviation Mean Errors after 8 hours sleep deprivation Pair 1 6.75 20 2.124 .475 Errors after 24 hours 13.90 20 2.024 .452 sleep deprivation Paired Samples Correlations Significance N Correlation One-Sided p Two-Sided p Pair 1 Errors after 8 hours sleep 20 -.263 .131 .262 deprivation & Errors after 24 hours sleep deprivation Paired Samples Test Paired Differences Significance 95% Confidence Interval of the Difference Std. Error Mean Std. Deviation Mean Lower Upper t df One-Sided p Two-Sided p Errors after 8 hours sleep deprivation - Errors after 24 hours sleep deprivation Pair 1 -7.150 3.297 .737 -8.693 -5.607 -9.698 19 <.001 <.001 Paired Samples Effect Sizes 95% Confidence Interval Point Standardizer Estimate Lower Upper Errors after 8 hours sleep deprivation - Errors after 24 hours sleep Pair 1 Cohen's d 3.297 -2.169 -2.972 -1.348 Hedges' correction 3.364 -2.125 -2.913 -1.321 deprivation a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation of the mean difference. Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor.
Transcribed Image Text:Paired Samples Statistics Std. Error Mean Std. Deviation Mean Errors after 8 hours sleep deprivation Pair 1 6.75 20 2.124 .475 Errors after 24 hours 13.90 20 2.024 .452 sleep deprivation Paired Samples Correlations Significance N Correlation One-Sided p Two-Sided p Pair 1 Errors after 8 hours sleep 20 -.263 .131 .262 deprivation & Errors after 24 hours sleep deprivation Paired Samples Test Paired Differences Significance 95% Confidence Interval of the Difference Std. Error Mean Std. Deviation Mean Lower Upper t df One-Sided p Two-Sided p Errors after 8 hours sleep deprivation - Errors after 24 hours sleep deprivation Pair 1 -7.150 3.297 .737 -8.693 -5.607 -9.698 19 <.001 <.001 Paired Samples Effect Sizes 95% Confidence Interval Point Standardizer Estimate Lower Upper Errors after 8 hours sleep deprivation - Errors after 24 hours sleep Pair 1 Cohen's d 3.297 -2.169 -2.972 -1.348 Hedges' correction 3.364 -2.125 -2.913 -1.321 deprivation a. The denominator used in estimating the effect sizes. Cohen's d uses the sample standard deviation of the mean difference. Hedges' correction uses the sample standard deviation of the mean difference, plus a correction factor.
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