Experimental design

I need to find more on:

1. Repeated measures experimental design /
This type of design is also known as within groups
https://www.simplypsychology.org/experimental-designs.html

2. ANOVA and repeated measures

3. Counterbalance methods

4, Recommended effect size statistics
for repeated measures designs.

https://www.youtube.com/watch?v=cYZSjy4RTPg

https://stats.stackexchange.com/questions/301801/generalized-eta-squared

Find more on generalised eta squared