All Questions
11 questions
0
votes
1
answer
48
views
Method of Data analysis [duplicate]
For my research I am comparing actual purchases (in amounts of products bought) in different conditions. I'm examining whether applying a certain promotional intervention improves the amount of ...
- 29
1
vote
0
answers
106
views
Does ordinal logistic regression substitute for "multifactorial Friedman test"?
I'm searching for an appropriate statistical test, more or less a multifactorial version of Friedman test. But I'm also wondering if Wilcoxons rank sum test can do the job.
Experimental design:
10 ...
- 11
9
votes
1
answer
390
views
Why is it rarely reported in papers which type of sums of squares is used in Anova results?
Following my short experience in statistics, it seems that the type of sums of squares (type I,II,III,IV...) used in getting ANOVA results could make a dramatic difference in test results (especially ...
- 95
4
votes
2
answers
533
views
What is the explanation of the difference caused by the order of variables in anova for the concrete example in R?
I wonder the real reason behind the difference in results of the two anovas that use the same covariates. However, the results are different.
...
- 549
1
vote
1
answer
56
views
Examine the influence of Independent Var on Dependent Var
In an experimental study, the aesthetic value (independent var) of a picture is manipulated into (low and high quality). "Low Quality" -- to make it look less appealing; and "High Quality" to make it ...
- 657
2
votes
2
answers
3k
views
Should I use MANOVA, ANOVA for Regression?
I'm currently developing a research proposal and I'm looking at the variables values orientation and environment as determinants of pro-environmental behavior. Is it right to use ANOVA or MANOVA? All ...
- 21
2
votes
0
answers
39
views
Model ratio in a one-way repeated measures ANOVA in R?
I've got a dataset with two measures in a group of people, before (pre) and after (post) an intervention. Second measure is always greater than first one.
My assumption is that the initial value ...
- 21
1
vote
0
answers
33
views
regression analysis or MANOVA or..?
We have this data from 5 different treatment groups with a different sample sizes and need some help for analysis.
Participants were randomly assigned to a group and were exposed to a certain ...
- 11
1
vote
0
answers
2k
views
MANOVA and Multivariate Regression: Related as ANOVA and Regression?
If I wish to find the relationship between a continuous independent variable (IV) and a single continuous dependent variable (DV), I can conduct a regression (or a correlation, as there is only one IV)...
- 834
0
votes
1
answer
2k
views
How can I run an analysis of variance with one independent variable and multiple dependent variables?
From my limited statistical knowledge, I could use MANOVA if I had multiple independent variables (x1, x2...xn). What can I do (specifically in R) with one "x" variable and multiple "y" groups? I'm ...
- 101
2
votes
1
answer
840
views
Regression or MANOVA?
I have one manipulated independent variable (degree of co-creation) based on three surveys "no" "low" and "high" degrees of co-creation.
Furthermore, I have 4 dependent ...
- 21