psychometric (version 2.2)

SEz: Standard Error of Fishers z prime

Description

Given a sample size, n, will compute the aproximate standard error for z prime This is useful for constructing confidence intervals about a correlation.

Usage

SEz(n)

Arguments

n

sample size

Value

The approximate standard error for Fisher's z prime

Details

SEz = 1/sqrt(n-3)

References

Olkin, I. & Finn, J. D. (1995). Correlation Redux. Psychological Bulletin, 118, 155-164.

Cohen, J., Cohen, P., West, S. G., & Aiken, L. S. (2003). Applied multiple regression/correlation analysis for the behavioral sciences (3rd ed.). Mahwah, NJ: Lawrence Erlbaum.

See Also

r2z, CIr, CIz, z2r

Examples

# From ch. 2 in Cohen et al (2003)
zp <- r2z(.657)
zp
SEz(15)