All Questions
Tagged with manova multiple-comparisons
22
questions
1
vote
1
answer
39
views
Which type of statistical analysis to run in R with 2 treatment types in my study?
(Originally asked on Stack Overflow, reposting here after a commentor mentioned this is a better place to ask it.)
I have a seed germination study that I am trying to analyze. In this study I had 4 ...
3
votes
0
answers
120
views
How does one create comparable metrics when the original metrics are not comparable?
The problem I have is that I have several groups (say 3 to make discussion concrete) with observations from a true but known distribution $p^*_1, p^*_2, p^*_3$ (or 3 populations). I can compute some ...
- 6,926
1
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0
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33
views
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 ...
- 11
3
votes
3
answers
254
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One-way ANOVA for multiple features?
I have 60 continuous features (i.e., lab results) for 35,000 patients, and the patients are divided into three groups. I want to evaluate each feature to find out what the differences are between the ...
- 31
0
votes
1
answer
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-...
- 1
1
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0
answers
128
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Am I (reviewer) correct or is the researcher correct re: Bonferroni?
I've been asked to review an article for a low-tier journal, such that I am the only reviewer with stats knowledge (such as it is; I used to teach stats and advanced stats, but it's been a few years ...
- 11
1
vote
0
answers
71
views
MANOVA Repeated Measures
I hope somebody can help me with my confusion.
My dependent variables are: emotions, interest, and attitude change, while independent variable is type of message: a) self-appraisal message b) family-...
- 11
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
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0
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11
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Comparing language loss among two types of bilinguals
I have two groups: Simultaneous and Sequential Bilinguals
I have three measures: grammatical complexity, lexical complexity, and grammatical accuracy (all are quantified differently)
I will conduct ...
- 1
1
vote
0
answers
37
views
Is there a specific test for correlation between 2 measurable variables between nominal data?
I am having a hard time finding a comparable test for my data set. Here is what I have: weight of individuals and Concentration of a trace metal in each individual for 8 field sites.
I want to see if ...
- 11
2
votes
0
answers
57
views
group comparisons - normality of the distribution
When comparing 3 different groups on a certain variable and one of the groups does not have a normal distribution (as verified by the Shapiro test) whilst the other to do, would you think it is best ...
- 305
3
votes
1
answer
684
views
Pros and cons of 5 ANOVAs for 5 DVs instead of 1 MANOVA
This** study asked subjects to rate musical excerpts along 5 subjective dimensions (valence, tension, energy, consonance, preference); each excerpt had a certain chord type and a certain register.
...
- 2,362
2
votes
1
answer
208
views
How to compare two sets of time-series 3-Dimensional data? [closed]
Let us say we have two data sets. Each of the data sets has velocity $(v_x,v_y,v_z)$ and acceleration $(a_x,a_y,a_z)$ of particles at time steps n where $0 \leq n \leq 100,000$. Now how do I compare ...
1
vote
0
answers
37
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Comparing two groups with different size on multiple continuous variables [duplicate]
I want to compare two groups on 9 continuous variables to see whether mean scores on these variables differ between the two groups. However, my samples have a very different size: one group includes ...
- 11
8
votes
1
answer
2k
views
MANOVA as protection against Type I errors
OK, so I have absolutely scoured the internet, and it appears that there is consensus (among people who really care about Type I error) that doing a MANOVA before doing multiple ANOVAs does nothing to ...
- 323