Objective We created the Daily Sessions, Frequency, Age of Onset, and Quantity of
Cannabis Use Inventory (DFAQ-CU) because the current lack of psychometrically sound …

Background Cannabis is the most widely consumed illicit substance in America, with
increasing rates of use. Some theorists tend to link frequency of use with cannabis …

Aims To evaluate the agreement between adolescent self‐reported cannabis use,“on‐site”
qualitative urine screening, and quantitative laboratory testing. Design A cross‐sectional …

Background In almost all of the literature examining the relation between cannabis use and
cannabis-related harms, researchers have neglected to include quantity measures of …

Background. Cannabis use and misuse have become a public health problem. There is a
need for reliable screening and assessment tools to identify harmful cannabis use at an …

Background Research on cannabis use has emphasized frequency as a predictor of
problems. Studies of other drugs reveal that frequency relates to psychological and …

Background Frequent cannabis users are at high risk of dependence, still most (near) daily
users are not dependent. It is unknown why some frequent users develop dependence …

Background The increase in cannabis potency may have treatment implications for cannabis
use disorder (CUD). Given the reported increase in prevalence of cannabis use among …

CONTEXT: Cannabis consumption is central to diagnosis of cannabis use disorders; yet,
most research on cannabis disorders has focused just on diagnosis or criteria. The present …

Objective Cannabis use is common among college students and is associated with a variety
of negative consequences. The Cannabis Use Disorders Identification Test Revised (CUDIT …