All Questions
32
questions
0
votes
1
answer
63
views
In a repeated measures ANOVA, is the pairwise comparison result still valid if sphericity is not assumed?
For the pairwise comparison, the p value is less than 0.001. However, the p value for Mauchly's test of sphericity is also <0.001. I believe that SPSS automatically applies the Greenhouse-Geisser ...
1
vote
0
answers
11
views
All Individual DVs significant, but overall MANOVA not significant
I'm getting a weird result. Please check out the SPSS output below for CONDITION. All the DVs are showing significant results individually but the MANOVA is not significant. I've never seen this ...
- 11
1
vote
2
answers
156
views
MANOVA (SPSS) test - determine control variables in moderation analysis
I am examining the moderating effect of IV1 in the relationship between IV2 and DV using hierarchical regression analysis. The study has 2 demographic variables: gender and age. To determine if it is ...
- 11
0
votes
2
answers
356
views
Should I use a repeated measures MANOVA or several repeated measures ANOVAs?
I'm doing a randomised controlled trial, it has four dependant variables each measured at three time points. The data is normally distributed.
My question is how to analyse this. I'm wondering whether ...
- 101
3
votes
2
answers
444
views
Replicating an SPSS manova in R
I'm trying to replicate the top part of the SPSS manova table 3.17 shown on page 127 in this book (just type 148 in the page ...
- 4,076
2
votes
1
answer
3k
views
How to do randomization check?
I am struggling to find the most effective way to check randomization within my experiment. I have a single factor design with two moderators and two DVs. My IV is type of persuasion (0 direct ...
- 21
0
votes
1
answer
240
views
How does SPSS calculate composite variable for MANOVA/Multivariate multiple regression?
I have analysed my data using multivariate multiple regression (8 IVs, 3 DVs), and significant composite results have been found.
Before reporting my findings, I want to discuss in my results chapter ...
- 53
0
votes
1
answer
438
views
MANOVA contrast results p-value in SPSS - Bonferroni correction required?
I am running a MANOVA with 2 IVs(2*3) and 4 DVs. I want to test the effect of the 3-level IV using a Helmert contrast: to compare if level 1 significantly differs from the mean of levels 2 and 3, as ...
- 95
0
votes
2
answers
1k
views
Insignificant two-way MANOVA results - what do I do next?
I am very very new to stats. I decided to try and do a MANOVA in SPSS, my between-subjects IV is gender and my within-subjects IV is the two conditions in which all participants took part. My DV is ...
1
vote
2
answers
15k
views
Is there a non-parametric alternative to Two-Way Repeated Measures Anova?
I am currently comparing the EEG funcional connectivity measured at 14 electrodes and 4 frequency bands between highly and lowly hypnotic susceptible individuals. I extracted the coherence and the ...
- 11
0
votes
1
answer
11
views
What stat analises to use? In SPSS
What analises to use? MANOVA? And how?
I have a following design:
Two groups made the same task and the result I have in Reaction times ( dependent variable). I have three additional variables (...
- 1
1
vote
2
answers
270
views
How to interpret MANOVA results after adding gender, splitting the file?
I am analyzing my 2x3 between subject design with MANOVA in SPSS at the moment. In the main model, there is 2 IV's and 2 DV's. Result of the test is 1 main effect and no interaction effect. In an ...
- 11
0
votes
0
answers
28
views
Which statistical test should be used?
I am stuck in deciding which statistical test would be more appropriate in my case. My research questions are whether or not in the gait analysis there are differences in pressure between ten foot ...
0
votes
0
answers
97
views
Significant differences between dichotomous multiple response variables
Kind people,
I want to measure if there is any difference in the use of newsframes in 198 news articles between the 9 countries who own nucleair weapons. I have created these frames with a factor ...
- 1
0
votes
1
answer
33
views
Choosing Statistical Test for my dataset
I was wondering if someone could help me. I have a dataset from a clinical trial which tests the impact of therapy on a group of cannabis users with psychotic symptoms. It's a randomised control trial ...
- 1