User Felix S

27 votes

If A and B are correlated with C, why are A and B not necessarily correlated?

answered Feb 9, 2012 at 13:27

24 votes

Accepted

How can I calculate the confidence interval of a mean in a non-normally distributed sample?

answered Oct 5, 2011 at 5:01

23 votes

Accepted

How to convert a frequency table into a vector of values?

answered Sep 15, 2011 at 4:44

13 votes

Accepted

What is a good index of the degree of violation of normality and what descriptive labels could be attached to that index?

answered Oct 7, 2011 at 6:53

12 votes

Accepted

Working with correlation coefficients

answered Aug 31, 2011 at 15:26

12 votes

Accepted

Is it allowed to use a 5% trimmed mean for analyzing data from a creativity task (quantity of ideas)?

answered Feb 13, 2012 at 9:10

11 votes

Accepted

Estimate confidence interval of mean by bootstrap t method or simply by bootstrap?

answered Oct 17, 2011 at 9:27

10 votes

Generate a random variable with a defined correlation to an existing variable(s)

answered Aug 31, 2011 at 17:51

10 votes

Ideas for "lab notebook" software?

answered Oct 12, 2011 at 7:29

9 votes

Is it valid to include a baseline measure as control variable when testing the effect of an independent variable on change scores?

answered Sep 19, 2011 at 11:43

7 votes

Which test to choose when the results from t-test and Wilcoxon test are different?

answered Jul 27, 2012 at 7:33

7 votes

Accepted

Is Joel Spolsky's "Hunting of the Snark" post valid statistical content analysis?

answered Aug 7, 2012 at 8:57

6 votes

Accepted

Internal consistency reliability in item response theory models

answered Nov 12, 2012 at 8:44

5 votes

Exploratory factor analysis among items with different measurements

answered Aug 8, 2012 at 7:50

5 votes

Accepted

Adding 2nd level variable into Multi-level Modelling in R

answered Jul 27, 2012 at 7:37

5 votes

Does having self and other report measures as predictors require dyad analysis?

answered May 16, 2012 at 12:10

5 votes

How to compute significant interaction estimates when main effect is not significant?

answered May 24, 2012 at 7:57

5 votes

How to report effect size measures r and r-squared and what is a non-technical explanation of them?

answered Sep 19, 2011 at 11:55

5 votes

Accepted

Averages of averages (of averages, of averages...)

answered Sep 9, 2011 at 7:43

5 votes

Pearson and Spearman correlations - how to determine if they are "similar"?

answered Sep 16, 2011 at 6:43

5 votes

Accepted

Effect size interpretation

answered Nov 15, 2011 at 8:25

4 votes

How do you establish complete versus partial mediation in a simple mediational model?

answered Dec 13, 2011 at 9:41

4 votes

What inter-rater reliability test is best for continous data with multiple measures?

answered Oct 7, 2011 at 11:16

4 votes

How to test for differences between medians of multiple Likert items?

answered Sep 9, 2011 at 6:44

4 votes

Relationship between paired t test and simple mixed model

answered Jul 8, 2014 at 11:54

3 votes

Accepted

Is there a better way to create variables with a certain correlation and one of them is heteroskedastic?

answered Nov 9, 2012 at 13:45

3 votes

Accepted

What am I measuring when I apply a graded response model to the "Hunting of the Snark" dataset?

answered Aug 7, 2012 at 9:28

3 votes

Accepted

When analyzing dyadic data, can unpaired cases be used in any part of the analysis?

answered May 16, 2012 at 14:32

3 votes

Intersubject concordance for ratings vs rankings

answered Feb 22, 2012 at 13:38

3 votes

Testing the difference of (some) quantile-Q between groups?

answered Sep 29, 2011 at 13:03

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35 Answers

If A and B are correlated with C, why are A and B not necessarily correlated?

How can I calculate the confidence interval of a mean in a non-normally distributed sample?

How to convert a frequency table into a vector of values?

What is a good index of the degree of violation of normality and what descriptive labels could be attached to that index?

Working with correlation coefficients

Is it allowed to use a 5% trimmed mean for analyzing data from a creativity task (quantity of ideas)?

Estimate confidence interval of mean by bootstrap t method or simply by bootstrap?

Generate a random variable with a defined correlation to an existing variable(s)

Ideas for "lab notebook" software?

Is it valid to include a baseline measure as control variable when testing the effect of an independent variable on change scores?

Which test to choose when the results from t-test and Wilcoxon test are different?

Is Joel Spolsky's "Hunting of the Snark" post valid statistical content analysis?

Internal consistency reliability in item response theory models

Exploratory factor analysis among items with different measurements

Adding 2nd level variable into Multi-level Modelling in R

Does having self and other report measures as predictors require dyad analysis?

How to compute significant interaction estimates when main effect is not significant?

How to report effect size measures r and r-squared and what is a non-technical explanation of them?

Averages of averages (of averages, of averages...)

Pearson and Spearman correlations - how to determine if they are "similar"?

Effect size interpretation

How do you establish complete versus partial mediation in a simple mediational model?

What inter-rater reliability test is best for continous data with multiple measures?

How to test for differences between medians of multiple Likert items?

Relationship between paired t test and simple mixed model

Is there a better way to create variables with a certain correlation and one of them is heteroskedastic?

What am I measuring when I apply a graded response model to the "Hunting of the Snark" dataset?

When analyzing dyadic data, can unpaired cases be used in any part of the analysis?

Intersubject concordance for ratings vs rankings

Testing the difference of (some) quantile-Q between groups?