All Questions
Tagged with wilcoxon-signed-rank repeated-measures
16
questions
2
votes
2
answers
73
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How should I analyze data that is paired and also repeatedly measured?
I have data collected from the same subjects (n=10) over 11 days, with measurements taken under two conditions each day: immediately after training(D0) and 30 minutes after training(D30). The data is ...
- 21
3
votes
1
answer
175
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Independence assumption of non-parametric tests (Mann-Whitney & Wilcoxon Signed rank)
I'm interested in testing (one at a time) these two hypotheses using the...
Mann-Whitney U test.
H0: The probability that an observation in Group1 is greater than an observation in Group2 is 0.50
But ...
- 1,653
2
votes
1
answer
453
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Which statistical method can be used to compare the values of the same variables measured from different views?
I got a biological data set, where I need to run a statistical analysis on.
The data was created on a mass spectrometer and contains the intensity values for around one hundred lipids.
The analysis ...
7
votes
3
answers
2k
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Paired t-test with multiple observations per pair
I have a bunch of websites websiteA....websiteZ for example. Now I have an optimization technique that possibly improves the performance of these websites.
I want to check whether this technique ...
- 73
0
votes
0
answers
238
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Anova vs wilcoxon
I have collected data of 73 patients with tinnitus where 45 have received a cochlear implant (therapy 1) and 28 have received a hearing aid (therapy 2). To research the impact of these two therapies ...
0
votes
1
answer
2k
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Statistical test for repeated measure data (3x2 contingency table)
This is my dataset
Newspaper Internet
MN 45 115
IA 20 9
MO 114 56
What statistical test should ...
- 115
1
vote
1
answer
38
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Within subject, Multiple treatment: testing if each treatment further increases dependent variable?
Suppose I have data that looks something like the following for a single subject:
Treatments: amount of a shot they receive, such as 5cc, 10cc, 15cc, 20cc
Outcome of interest: energy level
Question ...
- 219
0
votes
0
answers
777
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Wilcoxon signed-rank test for paired and repeated measures data
I have a dataset with 45 participants, each with 1-7 datapoints/observations (126 total observations). Each of these observations represents a window of time in which two different methods attempt to ...
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1
vote
0
answers
199
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Wilcoxon Signed Rank on small sample size but large amount of data
I've got a dataset where I want to compare statistical differences in data between two different experiments. The data has been collected from 5 participants who each took part in the same two ...
- 11
1
vote
2
answers
4k
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ANOVA versus Wilcoxon
I need some help as a reviewer is giving me a hard time with the statistics...
I have 2 groups (A and B) where A has received a certain intraoperative treatment and B has not.
Now I measure pain ...
- 11
0
votes
1
answer
361
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Why does the order of data points in the data set affect statistical test?
I am comparing two non-normal distributions of continuous variables of a repeated-measures design (the dependent variables are reaction-times in miliseconds when reading two types of words). Therefore,...
1
vote
1
answer
161
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Looking for the right statistical test. - Wilcoxon signed-rank test?
I'd like to test if three data sets are statistically similar, but I'm not sure which test is the right one (because the examples on the internet are all very simple). I start with a list of values (1 ...
- 21
1
vote
1
answer
76
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How to test whether people remembered more items given an intervention administered within subjects?
I have 20 individuals who memorised 5 lists of information. They immediately recalled the information, then at the end of the day either received an interventional 'cue' or nothing prior to recalling ...
- 11
4
votes
2
answers
1k
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Why am I getting inconsistent results from Wilcoxon signed rank test and Kruskal-Wallis test?
I am doing a study on 3 drugs, comparing response pre-post treatment. My objective is to know if these drugs are effective and which one is better. I used non parametric tests since the results weren'...
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14
votes
2
answers
1k
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Repeated measures over time with small $n$
I was given data to analyze for a study looking at the effects of a treatment on iron levels at four different time points (before treatment, the day treatment ended, 4 weeks after treatment, and 2-4 ...
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