TY - GEN AU - Tractenberg,Rochelle E TI - Classical and modern measurement theories, patient reports, and clinical outcomes SN - 1559-2030 PY - 2010///0504 KW - Clinical Trials as Topic KW - statistics & numerical data KW - Humans KW - Models, Statistical KW - Outcome Assessment, Health Care KW - Psychometrics KW - Quality of Life KW - Reproducibility of Results N1 - Publication Type: Editorial UR - https://doi.org/10.1016/S1551-7144(09)00212-2 ER -