This article pertains to the theoretical and practical detriments of measurement error in traditional univariate and multivariate experimental design, and points toward modern methods that facilitate greater accuracy in effect size estimates and power in hypothesis testing.
Hancock, Greogry R.
"Fortune Cookies, Measurement Error, And Experimental Design,"
Journal of Modern Applied Statistical Methods: Vol. 2
, Article 3.
Available at: http://digitalcommons.wayne.edu/jmasm/vol2/iss2/3