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KIN 222 (11)
Ken Stark (11)
Lecture 8

KIN 222 Lecture 8: Lecture 8-Paired T Test
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Department
Kinesiology
Course
KIN 222
Professor
Ken Stark
Semester
Winter

Description
108 Paired ttest Statistical test that is based on the Students tdistribution. Used to compare: Means within one group with 2 measurements Also referred to as... Repeated measures design More powerful. Remove variability BETWEEN people Compute tstatistic X D tD D sX D s X D sD sX D N Example: Does drug decrease tumor size ? Study design: 8 subjects Pretest measure of tumor size 2 months of drug treatment Posttest measure of tumor size
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