All Questions
Tagged with manova statistical-significance
29
questions
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21
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Is it possible to run MANOVA without adjusting the Alpha level?
I have 11 dependent variables and two independent variables. I need to see the differences between the gender and academic level concerning the 10 most frequent grammatical errors and the total number ...
2
votes
1
answer
58
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Why does factor appear significant in 2-way ANOVA but not by inspection (mean +/- sd or error plot)?
I am puzzled about the result of a 2-way ANOVA analysis. The factors are categorical and non-random and the sum of squares used is constrained type III (the choice of categorical or SS type does not ...
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11
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Which stats test--MANOVA or Mixed Effects?
I need to see if there's a statistical difference for each ID between CHLA, CWBA, and CH and what that difference is, AS WELL AS, if Species Type is a factor. Which R package would do this? I have the ...
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1
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11
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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 ...
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24
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What to do when I have insignificant results in one-way MANOVA?
I am currently in a blind fury attempting to write up a dissertation on the effects of positive and negative coaching on the performance of Rocket League players.
As far as I can gather, a one way ...
0
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72
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Statistical significance of distance between difference of vectors (LDA)
I have an output from Latent Dirichlet Allocation (LDA) which sums up the corpus of about 2,000 documents into 50 topics. The 2,000 documents belong to a category each (in total there are 4 categories,...
1
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1
answer
2k
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Which statistical test is correct to compare two groups of very different sizes?
I have two groups that consist of the tree fraction and elevation. The sizes of the groups are very different, and the mean of tree fraction and elevation are included in the table, below. They are ...
- 528
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37
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Set of Social Values of different Samples: ANOVA?
I have been collecting data for 10 consecutive years. One survey each year, different subjects (samples between 105 and 120), Likert scale 1-5 for each of 30 social values. What is the most ...
- 21
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56
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What statistical test (using R) can reveal relationships between 5 factors in randomized block design?
I'm at a loss as to how I can efficiently obtain p-values in R for the relationships I am interested in exploring in my dataset.
Here is a picture summarizing the block design.
Various response ...
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37
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Determine DVs (dependent variable), IVs, and test objectives
I'm doing a practice problem which goes something like this. It is homework-style but not exactly. I'm doing some practice problems myself.
Envato is a loyalty solutions which rewards their customer ...
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245
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Statistical analysis of amino acid profiles, quantitative vs qualitative methods?
I work on a study comparing the amino acid profile of 5 sample groups with 3 replicates in each group. This is how the data looks like except that there are 17 columns (one for each amino acid) in ...
- 165
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2
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1k
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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
1
answer
334
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Stratify the analysis if Levene's test fails
I have a question about the correctness of a statistical analysis.
I have a variable called L, which is the log of the number of bacteria present in some foods. L is a function of the treatment T (...
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1
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2k
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Are my PCA groups significantly different?
I am studying the feeding behaviour of deep sea fishes, and have produced a dataset containing percentages for 20 different fatty acids (totalling 100%) for 32 individual fish. I have performed PCA (...
2
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134
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Why does adding a dependent variable to a MANOVA remove significance?
We designed an experiment with 2 discrete independent variables (IV), 1 (measured) confounding variable, and 2 dependent variables (DV). We hypothesize that the two IVs interact on both DVs.
Right ...
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