Question
In: Statistics and Probability
A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back...
A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back pain. Prior to testing the patch, each of n = 4 patients rates the current level of back pain on a scale from 1 to 8. After wearing the patch for 90 minutes, a second pain rating is recorded. The data are as follows.
Before After
__________________
G = 36 6 2
G2 = 784 6 2
ΣX2 = 192 4 4
8 4
______________________
T = 24 T = 12
SS = 8 SS = 4
Perform a Repeated Measures ANOVA and then analyze the data with a repeated measures t-test. Use the .05 level of significance for both.
Solutions
Expert Solution
prior to testing the patch, each of n =4
The current level of back pain on a scale from 1 to 8
After wearing the patch for 90 minutes
orchestra answered 2 years agoRelated Solutions
A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back...
A researcher would like to evaluate the effectiveness of a
pain-relief patch designed for lower back pain. Prior to testing
the patch, each of n = 8 patients rates the current level
of back pain on a scale from 1 to 10. After wearing the patch for
90 minutes, a second pain rating is recorded. The data are as
follows:
Before After
6
2
8
3
9
4
8
1
10
2
5 ...
A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back...
A researcher would like to evaluate the effectiveness of a
pain-relief patch designed for lower back pain. Prior to testing
the patch, each of n = 8 patients rates the current level
of back pain on a scale from 1 to 10. After wearing the patch for
90 minutes, a second pain rating is recorded. The data are as
follows:
Before
After
6
2
8
3
9
4
8
1
10
2
5 ...
A researcher would like to evaluate the effectiveness of a pain-relief patch designed for lower back...
A researcher would like to evaluate the effectiveness of a
pain-relief patch designed for lower back pain. Prior to testing
the patch, each of n = 4 patients rates the current level
of back pain on a scale from 1 to 8. After wearing the patch for 90
minutes, a second pain rating is recorded. The data are as
follows.
Before
After
__________________
G =
36
6 2
G2...
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In a study designed to test the effectiveness of magnets for treating back? pain, 35 patients...
In a study designed to test the effectiveness of magnets for
treating back? pain, 35 patients were given a treatment with
magnets and also a sham treatment without magnets. Pain was
measured using a scale from 0? (no pain) to 100? (extreme pain).
After given the magnet? treatments, the 35 patients had pain scores
with a mean of 9.0 and a standard deviation of 2.2. After being
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In a study designed to test the effectiveness of magnets for treating back pain, 35 patients...
In a study designed to test the effectiveness of magnets for
treating back pain, 35 patients were given a treatment with magnets
and also a sham treatment without magnets. Pain was measured using
a scale from 0 (no pain) to 100 (extreme pain). After given the
magnet treatments, the 35 patients had pain scores with a mean of
10.0 and a standard deviation of 2.2. After being given the sham
treatments, the 35 patients had pain scores with a mean...
In a study designed to test the effectiveness of magnets for treating back? pain, 35 patients...
In a study designed to test the effectiveness of magnets for
treating back? pain, 35 patients were given a treatment with
magnets and also a sham treatment without magnets. Pain was
measured using a scale from 0? (no pain) to 100? (extreme pain).
After given the magnet? treatments, the 35 patients had pain scores
with a mean of 5.0 and a standard deviation of 2.4. After being
given the sham? treatments, the 35 patients had pain scores with a
mean...
In a study designed to test the effectiveness of magnets for treating back pain, 40 patients...
In a study designed to test the effectiveness of magnets for
treating back pain, 40 patients were given a treatment with
magnets and also a sham treatment without magnets. Pain was
measured using a scale from 0 (no pain) to 100 (extreme pain).
After given the magnet treatments, the 40 patients had pain scores
with a mean of 12.0 and a standard deviation of 2.4. After being
given the sham treatments, the 40 patients had pain scores with a
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In a study designed to test the effectiveness of magnets for treating back pain, 4040 patients...
In a study designed to test the effectiveness of magnets for
treating back pain,
4040
patients were given a treatment with magnets and also a sham
treatment without magnets. Pain was measured using a scale from 0
(no pain) to 100 (extreme pain). After given the
magnettreatments, the
4040
patients had pain scores with a mean of
11.011.0
and a standard deviation of
2.72.7.
After being given the sham treatments, the
4040
patients had pain scores with a mean of...
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