Questions tagged [reporting]

Guidelines for presenting results of a statistical analysis in a research manuscript, presentation, or for general public.

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How should tiny $p$-values be reported? (and why does R put a minimum on 2.22e-16?)

For some tests in R, there is a lower limit on the p-value calculations of $2.22 \cdot 10^{-16}$. I'm not sure why it's this number, if there is a good reason for ...
7k views

Reporting regression statistics after logarithmic transformation

I'm a bit troubled about how to report linear regression statistics after log transformation of the dependent variable. I suppose I should report the transformed coefficient, but would they be easily ...
848 views

What is the best method of reporting multiple tests of equivalence?

I am doing a study which will involve multiple tests of equivalence. Is there a standard table for reporting such results? EDIT with more detail: It is a longitudinal study with 5 time points. Our ...
14k views

Do we need to report the median or the Mean when using a Kruskal-Wallis test?

I have two groups. There is a significant difference according to the KW test. But do I need to report the mean or median of the groups?
20k views

Why would I want to bootstrap when computing an independent sample t-test? (how to justify, interpret, and report a bootstrapped t-test)

Let's say I have two conditions, and my sample size for the two conditions is extremely low. Let's say I only have 14 observations in the first condition and 11 in the other. I want to use the t-test ...
18k views

Number of significant digits to report

Is there a more scientific way of determining the number of significant digits to report for a mean or a confidence interval in a situation which is fairly standard - e.g. first year class at college. ...
1k views

Why is it so uncommon to report confidence intervals for medians?

Why is it so uncommon to find confidence intervals reported in papers from applied sciences? I work mostly on Computer Science, but often read papers from (Social) Psychology, Sociology and Urban ...
17k views

Reporting degrees of freedom for Welch t-test

The Welch t-test for unequal variances (also known as WelchāSatterthwaite or Welch-Aspin) generally has a non-integer degrees of freedom. How should these degrees of freedom be quoted when reporting ...
94k views

5k views

How to report negative binomial regression results from R

I have fit a negative binomial model in R, and would like to report the findings, but I'm unsure how (or if) I should convert the estimates to reportable coefficients. Here is my output: ...
48k views

Should I report the standardised or unstandardised coefficient in a regression?

When I run a multiple OLS regression, SPSS will give me a thing called a 'standardized coefficient' and another called an 'unstandardized coefficient'. I understand that, essentially, the ...
11k views

How to do ANOVA write-up when there is no significant effect at all?

I was conducting a 'recall of negative words' memory experiment with a two-way between-group ANOVA and got no significant main effects and no significant interaction! How can I go about explaining ...
995 views

How should I report the results from a mixed model with vs without an interaction term?

In relation to my previous question on different output results and their interpretation based on a model with or without an interaction term, this is a follow up question on how to report such ...