All Questions
Tagged with multiple-comparisons repeated-measures
55
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Post-hoc tests for repeated measures ANOVA with aligned rank transformed(ART) data
I'm working on a 2x3 factorial design with two within-subject variables and I'd like to test for both main and interaction effects. Since the data is not normally distributed, I've performed an ...
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51
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post hoc test for two-way ANOVA with 2 within-subject factors
I am conducting 6x2 ANOVA with the within subject factor "time" (6 time points) and the with-subject factor "type of music" (fast or slow). The hypothesis is that slow music ...
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1
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70
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Exploratory study with multiple testing
I have conducted a study with 20 participants.
During the study I measured 9 different plasma hormones at 5 different times before and after an intervention.
As an exploratory study I would like to ...
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44
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Mixed model development for repeated measures over 3 years
I have longitudinal data for multiple plant varieties, where plants were measured for their Performance at 10 time points (time) each year for 3 years.
Each variety (genotype) serves as a distinct ...
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33
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Which statistical test is more appropriate?
I have collected data for an experimental study from 88 participants. Specifically, all participants received both interventions but in a different order. 44 participants received firstly Treatment A ...
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1
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426
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One sample t-test equivalent for repeated measures design
I might be looking for something fairly obvious but here is my setup:
I have one group of participants who will perform multiple (different) tasks in an experiment. For each one of the tasks, I want ...
- 115
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1
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37
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Are my data paired or not paired for a t-test?
I am analyzing data where my experimental design is as follows:
DNA and RNA samples were taken from 3 mesocosms at seven time points across the duration of the study to see DNA and RNA decay across ...
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1
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206
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How to perform ANOVA for data measured with unequal time interval?
So I have a set of patient data divided into 3 groups based upon their vision. I also have data on few variables that I believe to be relevent which are measured pre-surgery, 1 day post-surgery, and 7-...
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156
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Test for difference at each time point in panel data of long time series?
The easiest way to describe my question is perhaps with plots:
In this hypothetical data, each group has 9 subjects, and each subject's response is measured from time = 1… to 5. Is there a way to ...
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4k
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Comparing two, or more, independent paired t-tests
Can we compare the results from two, or more, independent paired t-tests?
For example: I want to test if drug 1 and drug 2 are effective to reduce weight. I have a control group (that will consume a ...
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2
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1
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550
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A difference in difference experiment with multiple interventions
Say you have a control group and an experimental group and you have verified the parallel trends assumption for them. Now say that at the time of intervention, the control group gets 9 separate ...
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1
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140
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Testing the same parameter across different models with the same covariates
Say I have three logistic regression models, with the same covariates in each model, but different outcome. Each model is structured as $Y_{ij} = \beta_{j0} + \beta_{j1}*Age + \beta_{j2}*Weight$, ...
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whats the best statistical method to analyse and compare four groups of intervention with follow up?
I have recently conducted an experiment to compare the efficacy of 3 treatments and I had a whait-list group too.
I had three interventions and a I wanted to compare their efficacy on cognitive ...
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1
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270
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lmer: repeated measures additive model, testing pairwise comparisons
I have a longitudinal data set that contains a repeated measurement of the same participants over 6 different measurement times. I've built my model via lmer in r:
...
- 337
6
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1
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367
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How to test for statistical significance with multiple visits and technical replicates?
I have a data set with 100 columns that's divided between 40 normal columns and 60 MI columns. Samples from each patient were taken at two separate visits, and each sample has two technical ...
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