A torn meniscus is a common type of knee injury. In thecase of minor tears, there’s some question about whetherinitial surgery followed by physical therapy (PT) resultsin a better outcome than just physical therapy alone.To find out, experimenters will randomly assign somesubjects with this type of injury to have surgery followedby PT and others to just do PT, and then compare therecovery experiences of the tow groups. Which ofstatements A–D is false? A) If the researchers mistakenly conclude that the sur-gery was beneficial, they will commit a Type I error. B) The power of this test is its ability to detect that therereally is a benefit of surgery.C) The more participants they use in this experiment, thehigher the power of the test will be.D) Demanding stronger evidence by using a = 0.01instead of a = 0.05 would give the researchersgreater power.E) None; statements A–D are all true.
A torn meniscus is a common type of knee injury. In thecase of minor tears, there’s some question about whetherinitial surgery followed by physical therapy (PT) resultsin a better outcome than just physical therapy alone.To find out, experimenters will randomly assign somesubjects with this type of injury to have surgery followedby PT and others to just do PT, and then compare therecovery experiences of the tow groups. Which ofstatements A–D is false? A) If the researchers mistakenly conclude that the sur-gery was beneficial, they will commit a Type I error. B) The power of this test is its ability to detect that therereally is a benefit of surgery.C) The more participants they use in this experiment, thehigher the power of the test will be.D) Demanding stronger evidence by using a = 0.01instead of a = 0.05 would give the researchersgreater power.E) None; statements A–D are all true.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
A torn meniscus is a common type of knee injury. In the
case of minor tears, there’s some question about whether
initial surgery followed by physical therapy (PT) results
in a better outcome than just physical therapy alone.
To find out, experimenters will randomly assign some
subjects with this type of injury to have surgery followed
by PT and others to just do PT, and then compare the
recovery experiences of the tow groups. Which of
statements A–D is false?
case of minor tears, there’s some question about whether
initial surgery followed by physical therapy (PT) results
in a better outcome than just physical therapy alone.
To find out, experimenters will randomly assign some
subjects with this type of injury to have surgery followed
by PT and others to just do PT, and then compare the
recovery experiences of the tow groups. Which of
statements A–D is false?
A) If the researchers mistakenly conclude that the sur-
gery was beneficial, they will commit a Type I error.
gery was beneficial, they will commit a Type I error.
B) The power of this test is its ability to detect that there
really is a benefit of surgery.C) The more participants they use in this experiment, the
higher the power of the test will be.
D) Demanding stronger evidence by using a = 0.01
instead of a = 0.05 would give the researchers
greater power.
E) None; statements A–D are all true.
really is a benefit of surgery.C) The more participants they use in this experiment, the
higher the power of the test will be.
D) Demanding stronger evidence by using a = 0.01
instead of a = 0.05 would give the researchers
greater power.
E) None; statements A–D are all true.
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