Xt. Fan et B. Thompson, Confidence intervals about score reliability coefficients, please: An EPM guidelines editorial, EDUC PSYC M, 61(4), 2001, pp. 517-531
Confidence intervals for reliability coefficients can be estimated in vario
us ways. The present article illustrates a variety of these applications. T
his guidelines editorial also promulgates a request that EPM authors report
confidence intervals for reliability estimates whenever they report score
reliabilities and note what interval estimation methods they have used. Thi
s will reinforce reader understanding that all statistical estimates, inclu
ding those for score reliability, are affected by sampling error variance.
And these requirements may also facilitate understanding that tests are not
impregnated with invariant reliability as a routine part of printing.