Skip to main content

All Questions

6 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
4 votes
0 answers
757 views

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 ...
rcirer's user avatar
  • 53
2 votes
0 answers
798 views

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, ...
user11916948's user avatar
1 vote
0 answers
58 views

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 ...
Methnani jabeur's user avatar
1 vote
0 answers
545 views

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 ...
RobMcC's user avatar
  • 253
1 vote
0 answers
119 views

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, ...
strohne's user avatar
  • 11
0 votes
0 answers
38 views

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 ...
Kylee M's user avatar