All Questions
8 questions
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Mixed effect model for repeated measurements in crossover study using R
I am trying to analyze data from a crossover study. The study has two phases and subjects are randomized to received either treatment A or Treatment B first, and then switch to the alternative ...
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2
votes
1
answer
356
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Interpret results of a mixed effects model analyzing a 2x2 cross-over study?
I have conducted a randomized 2x2 cross-over trial of 8 participants measuring the effect of a specific diet (intervention) vs normal diet (control) on the number of sleep hours.
The study design ...
1
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0
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58
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Is it normal when including an interaction effect as a fixed effect in a mixed effect model the p-value of the main effect change drastically?
I conducted a randomized crossover study in which I had two within subject factors; condition and Time. When running a repeated measures ANOVA the analysis shows significant main effect of condition ...
1
vote
0
answers
545
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linear mixed model for a simple crossover trial
I would like to understand how to analyse a basic crossover trial using a linear mixed model.
Participants have a baseline measure of the dependent variable, they are then randomised to either placebo ...
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2
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0
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798
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How to measure carryover effect in a crossover design 3x3?
I'm trying to analyse a potential carryover effect from a study with a crossover design 3x3, three treatments and three periods. My data has a latin square design with the treatment sequences CBA, ...
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4
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0
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757
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How to handle crossed and nested terms in a crossover design
Here comes my case:
I conducted an experiment with the following design:
30 participants, each with a unique id, were screened and classified according to a trait.
Then, all participants were tested ...
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1
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0
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119
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How to analyze fractional crossover design (factional survey experiment) with 3 factors in R?
I have the following experimental design: my treatment is composed out of three factors (factor1, factor2, ...
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2
votes
3
answers
10k
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repeated measures ANOVA, crossover trial, R
I am sorry for stating such a question. Unfortunatelly, it's very-very hard to go through all statistics.
I have a crossover study design with 3 treatments, 3 periods, and a baseline (covariate).
The ...
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