All Questions
Tagged with bonferroni t-test
11 questions with no upvoted or accepted answers
2
votes
1
answer
379
views
How to describe three groups where the means of two groups are significantly different, but neither of the two groups differ from a third group?
I am comparing 3 means from normal distributions using student's test: $\mu{_1}, \mu{_2}, \mu{_3}$
Results are: $\mu{_1} = \mu{_2}, \mu{_2} = \mu{_3}, \mu{_1} \ne \mu{_3} $
If I want to group my ...
- 21
1
vote
0
answers
21
views
posthoc paired t test
Is there a website with a calculator to input 2 sets of data to perform the post paired t test adjusted with the Bonferroni correction? Or is anyone available to hire?
- 11
1
vote
0
answers
76
views
Need to run Bonferroni correction if only doing 1 paired-samples t-test?
Say I have a significant interaction for a 2x3 within-subjects ANOVA. If I have a theoretical justification for only running a single paired samples t-test to look at simple main effects (even when ...
- 23
1
vote
0
answers
10
views
Should multiple adjustedment correction be applied here?
I have a question. I'm analysing an article for an assignement.
In this study there are two groups (normal d-dimer vs elevated d-dimer). The study compaires the mean of the groups for multiple ...
- 11
1
vote
0
answers
1k
views
Bonferroni correction in independent samples t-test?
I have three IVs with two levels/groups. My primary hypothesis is that there will be group differences for all IVs in total score. However, total score is comprised of scores on 7 subscales. Total ...
- 21
1
vote
0
answers
185
views
Should I use t-test or ANOVA+post hoc (two different treatments and a control)
I have been working with ice algaes,and Im looking on their fattyacids.
Here is a bit about the experimental design.
I have one treatment area, cleared, where I have removed all snow.
I have ...
- 11
1
vote
0
answers
306
views
Multiple t tests with Bonferroni correction instead of Anova and posthoc?
I have a set of 6 experiments that were all performed at the same time.
This consists of 3 genotypes (A, B, C) , each under two conditions (1 and 2) with a single measurement variable.
I just want ...
0
votes
1
answer
427
views
Is Bonferroni correction needed for independent samples T-test on grouped data?
I have conducted three tests (math, Biology, Chinese) on 4 groups of students who are coming from Hong Kong, Pakistan, Philippines, and Singapore respectively.
I have the following dataset with the ...
- 13
0
votes
0
answers
62
views
log2 p-value of 1 after Holm-Bonferroni correction
I obtained rawp by performing Student's t-test function on dat.filtered and then I performed correction using Holm and Holm-Bonferroni methods. I have a huge increase in log2 adjusted p-value of 1.0. ...
- 11
0
votes
0
answers
34
views
Multiple comparison when testing one planned hypothesis
I am running one logit model containing an interaction:
logit dv year contract_type yearXcontract+Z
where contract_type and year are dummies with 4 levels.
After ...
0
votes
0
answers
35
views
Do I need to "correct"?
I am testing whether a certain learning intervention affects student achievement. I have two groups of students (control and experimental) with 16 students each. I have their pre-test and post-test ...
