Tagged Questions

3
votes
0answers
614 views

For intraclass correlation coefficients (ICC), interpret both “single” and “average” measured ICC values for reproducibility test?

Say there's a new machine for use in testing a biochemical marker's concentration in the blood, and we would like to know the reproducibility of this test. We draw blood samples from 10 volunteers, ...
5
votes
1answer
216 views

How to statistically test whether there is any nesting effect in the data?

I have a sample including all students within 52 schools which have been randomly assigned to be treatment or control (we have group randomized trial in which all students in each school is either ...
1
vote
0answers
102 views

Within group correlation of pearson's residuals

I have social network data in which an "ego" names a friend "alter". I am running a regression in R in which attributes of alter are predictors of outcomes for ego. So each observation is dyadic with ...
1
vote
0answers
90 views

How to compute effect size for different measures of association?

My colleagues and I are looking for guidance on how we might compute a common effect size (ES) from the following measures of association: Pearson's r Spearman's rho Kappa ICC / intraclass ...
6
votes
2answers
685 views

Comparing correlation coefficients

I have two sets of data where I have at ~250.000 values for 78 and 35 samples. Some of the samples are members of a family and this may have an effect of the data. I have calculated pairwise ...
7
votes
2answers
797 views

Intraclass correlation and aggregation

Imagine that: You have a sample of 1000 teams each with 10 members. You measured team functioning by asking each team member how well they think their team is functioning using a reliable multi-item ...