Monday, June 10, 2013

At what sample size do correlations stabilize?

Maybe you have encountered this situation: you run a large-scale study over the internet, and out of curiosity, you frequently check the correlation between two variables.

The experience with this practice is usually frustrating, as in small sample sizes correlations go up and down, change sign, move from “significant” to “non-significant” and back. So at what sample size do correlations stabilize?

No comments:

Post a Comment