Tagged Questions
2
votes
0answers
35 views
Pretest-posttest plus control design
I am evaluating the effect of an intervention (treatment: a lecture) on the ability to spot behavioral clues of emotions using visual stimuli using pretest-posttest plus control group experimental ...
3
votes
2answers
279 views
Effect size in contrast analysis
I'm running 2-way repeated measures ANOVA (3 and 5 levels) with planned contrasts afterwards. I'm interested in comparing
1)levels of the first factor among themselves (e.g. A1B with A2B, A2B with ...
1
vote
1answer
340 views
One-way repeated measures ANOVA with G*Power
I have made an experiment with 28 subjects. All made the experiments under 3 different conditions (A, B and C). So I have a table like this:
...
1
vote
0answers
667 views
How to calculate Cohen's d effect size intervals for a within-subject design?
I have looked at different web tools for calculating confidence intervals for effect size like Cohen's d for within-subject design. My experience from this survey tells me that there are different ...
4
votes
0answers
444 views
Effect size measure for doubly-repeated measures design?
Update:
I haven't gotten any answers, so I am simplifying my question. Say I measure test scores of $100$ people in one of two conditions. Each test has $10$ items. On each item, each person can ...
3
votes
1answer
1k views
Recommended effect size measure for repeated measures t-tests and repeated measures contrasts on experimental data
Context
This came up recently in a consulting context. A researcher was performing repeated measures t-tests based on experimental data.
Some of the analyses involved comparing one condition with ...
5
votes
1answer
493 views
Effect size of Cochran's Q
I have performed a Cochran's Q test for a within-subjects experimental design with 3 conditions and 36 participants with a dichotomous dependent variable.
I found a (just) statistically significant ...
3
votes
1answer
523 views
Some doubts about using GLMM
I'm analyzing the results of a hormone manipulation experiment. I measured a number of variables at three times in three groups. The groups are different sizes and not all individuals were measured ...
