"Damn the precision, full speed ahead with the clinical interpretation.".
The purpose of this report is to respond to Dr. Cicchetti's (1999) challenge of the minimum of 400 subjects suggested by Charter (1999) for split-half, coefficient alpha, retest, alternate-forms, validity, and inter-rater reliability coefficients.
Charter
R A
RA
VA Long Beach Healthcare Systems Medical Center, CA, USA. charter.richard_a@long-beach.va.gov
D003627:Data Interpretation, Statistical; D006801:Humans; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards* / Q000706:statistics & numerical data; D018401:Sample Size