Journal of Studies on Alcohol
Drinking during a 30-day pretreatment period was found not to be representative of longer pretreatment intervals, especially in a population of seriously impaired inpatient alcoholics
Cooper, A. M.,
Sobell, M. B.,
Maisto, S. A.,
Sobell, L. C.
(1980). Criterion Intervals for Pretreatment Drinking Measures in Treatment Evaluation. Journal of Studies on Alcohol, 41(11), 1186-1195.
Available at: https://nsuworks.nova.edu/cps_facarticles/69