Cleary, T.A., & Linn, R.L.Error of measurement and the power of a statistical test. British Journal of Mathematical and Statistical Psychology, 1969, 22, 49-55.
2.
Feldt, L.S.A comparison of the precision of three experimental designs employing a concomitant variable. Psychometrika, 1958 , 23, 335-353.
3.
Forsyth, R.A.A note on "Planning an experiment in the company of measurement error" by Levin and Subkoviak. Applied Psychological Measurement , 1978, 2, 379-383.
4.
Levin, J.R., & Subkoviak, M.J.Planning an experiment in the company of measurement error. Applied Psychological Measurement, 1977, 1, 331-338.