Tagged Questions
2
votes
1answer
162 views
Moderation in repeated-measures design?
Context: Both dependent $(Y_1,~Y_2,~Y_3)$ and independent $(X_1,~X_2,~X_3)$ variables were measured repeatedly at three time points, $\text{Time}_1$, $\text{Time}_2$, and $\text{Time}_3$. Moderator ...
0
votes
1answer
53 views
3
votes
1answer
246 views
Analyse unbalanced repeated measures 2x2x2x2 type II anova interactions
I have a run an unbalanced 2x2x2x2 Type II ANOVA in R and am having trouble following up on the results. Here is the output:
...
1
vote
0answers
43 views
How to describe a study design looking at one sample of which different data was collected during several periods of time
I am conducting a research on the effect of burnout on anxiety, tiredness and sleep, before a particular event and after an event.
There is one sample of which different data was collected over 6 ...
3
votes
0answers
119 views
Repeated measures interaction betwen SNP and treatment with R
This is my first question is this forum. I have the a problem that I want to solve with the lme function of the nlme package of ...
0
votes
1answer
349 views
Interaction Suppresses Main Effects in Repeated Measures GLM? [duplicate]
Possible Duplicate:
What if interaction wipes out my direct effects in regression?
I have three hypotheses within my experiment, and interpreting the interaction in relation to the rest of ...
1
vote
2answers
720 views
Repeated measures ANOVA within and between factors
I have conducted repeated measures ANOVA, with 2 factors: One within factor (time, pre-post intervention) and one between factor (...
3
votes
0answers
129 views
How to tell if a continuous variable is associated with (treatment) change in another variable over time (one group, time 1, time 2)?
Hypothetical: I have treated a sample for depression and have (continuous) depression scores at intake (Y1) and at the end of treatment (Y2). I am wondering if motivation (X) at the start of therapy ...
2
votes
0answers
140 views
How to test and examine interaction effect in 2 by 3 by 6 mixed ANOVA design?
Background:
I have two groups of children - one group with normal hearing and one with permanent hearing losses - call them NH and PHL.
Each child has had a hearing test, consisting of 6 different ...
5
votes
2answers
2k views
What is a valid post-hoc analysis for a three-way repeated measures ANOVA?
I've performed a three-way repeated measures ANOVA; what post-hoc analyses are valid?
This is a fully balanced design (2x2x2) with one of the factors having a within-subjects repeated measure. I'm ...
0
votes
0answers
406 views
Three-way Repeated Measures ANOVA [closed]
I've posted this question (along with example code and output) at http://www.reddit.com/r/rstats/comments/tglt8/threeway_repeated_measures_anova/
Is this a valid ANOVA model, and are sphericity tests ...
3
votes
5answers
506 views
Is it appropriate to examine an interaction effect that is almost statistically significant?
I am conducting a 2x2 within-subjects design. When I plot my results it appears that there will be an interaction between my variables but unfortunately none is emerging p=0.08. I find it a shame that ...
