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Biological Science 6th Edition by Scott Freeman,Kim Quillin,Lizabeth Allison,Michael Black,Greg Podgorski,Emily Taylor,Jeff Carmichael
Edition 6ISBN: 978-0134243061Biological Science 6th Edition by Scott Freeman,Kim Quillin,Lizabeth Allison,Michael Black,Greg Podgorski,Emily Taylor,Jeff Carmichael
Edition 6ISBN: 978-0134243061 Exercise 2
What does it mean to say that experimental conditions are controlled?
A) The test groups consist of the same individuals.
B) The null hypothesis is correct.
C) There is no difference in outcome between the control and experimental treatment.
D) All physical conditions except for one are identical for all groups tested.
A) The test groups consist of the same individuals.
B) The null hypothesis is correct.
C) There is no difference in outcome between the control and experimental treatment.
D) All physical conditions except for one are identical for all groups tested.
Explanation
Verified
Verified
If physical conditions are identical for all groups tested, then it is right to say that the experimental conditions are controlled. Null hypothesis refers to what we should observe when the hypothesis being tested resulted wrong.
Hence the correct answer is (d) physical conditions are identical for all groups tested.
Hence the correct answer is (d) physical conditions are identical for all groups tested.
Biological Science 6th Edition by Scott Freeman,Kim Quillin,Lizabeth Allison,Michael Black,Greg Podgorski,Emily Taylor,Jeff Carmichael
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