All Questions
13 questions
1
vote
1
answer
136
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Linear regression assumptions violated
I have an independent variable hours/day sitting and a dependent variable test scores, I think all of the assumptions of linear regression are violated, as in the pictures that I added
So I did one ...
- 57
1
vote
1
answer
51
views
Best method for this study design
I have 7 independent variables age (continuous variable),
body mass index (continuous variable), gender (catagorial variable), department (catagorial variable), hours/day on computer (catagorial ...
- 57
1
vote
0
answers
40
views
Separate anovas or 7 way manova?
I have 7 independent variables and two dependent variables which I think I should run 7 way manova, but this method is to complicated to compute, is running separate anovas for each dependent variable ...
- 57
-1
votes
1
answer
1k
views
Reporting non-significant regression analysis?
As a result of attached regression analysis I found non-significant results and I was wondering how to interpret and report this. I am a self-learner and checked Google but unfortunately almost all of ...
- 19
0
votes
2
answers
514
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I ran regression test in spss and F value appeared to be very high
I ran the regression analysis test on spss.The value of F seems to be very large ,it is 137.What is the max accepetable value of F and how can i reduce this value?
- 1
0
votes
1
answer
4k
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ANOVA is significant but coefficients aren't
My master thesis investigates the relation between stock raw returns and sentiment scores.
To make a conclusion there is a multiple linear regression with the mean sentiment, the variance of the ...
- 101
1
vote
0
answers
2k
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What statistical test should I use for moderation?
I am hoping to test an interaction effect, though being new to statistics/quant research in general, I am a little unsure as to which test would be most appropriate.
I have read around using ...
- 53
1
vote
1
answer
515
views
Why do I get a wrong output in SPSS with anova for a regression with categorical and continuous variables? [closed]
I'm going to paste up a sample dataset so that everyone can see it if necessary (I can't post my own data for ethical reasons). The data are called Survey.sav and can be downloaded via the survey.zip ...
- 1,257
3
votes
1
answer
3k
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Why does SPSS give different p-values in the factorial ANOVA table and the Parameter Estimates table?
I ran a 2x2 ANOVA in which I predicted anxiety from two binary predictors (gender and agegroup).
I couldn't understand why the p-values in the Tests of Between-Subjects Effects table did not match ...
0
votes
1
answer
182
views
How to run repeated-measures ANOVA when data points per subject vary?
I am attempting to run statistics in the following scenario:
I have a list of hospital visits by approx. 60 patients to the emergency room. Each patient gets an EKG done of their heart, and I have ...
- 1
1
vote
2
answers
1k
views
data analysis, dissertation of thesis? help please?
I'm having a problem with my dissertation.
My research is "level of satisfaction in relation to customer service: comparative study between 2 fast foods
my questionnaire consists of 19 questions. I'...
- 13
1
vote
1
answer
60
views
Compare mean effect of one predictor based on another predictor
I would like to compare the effect of one IV ("sensation seeking") on a DV ("intended infidelity") based on another IV ("gender"). Actually I really just want to compare the means. So I would like to ...
2
votes
1
answer
9k
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F-test for Lack-of-Fit in SPSS
Some googling revealed that doing the F-test for Lack-of-Fit in SPSS is not so trivial. It seems one has to “trick” SPSS to do that. See for example this. Can anybody suggest a better source of ...
- 6,584