AI Article Synopsis
- The study compares three methods of assessing cannabis and alcohol use among regular cannabis users, focusing on ecological momentary assessment (EMA), morning reports (MR), and retrospective timeline followback (TLFB) interviews.
- The research involved 49 participants who completed a 14-day EMA study, followed by TLFB interviews to evaluate the consistency of their reports.
- Results indicated that while EMA and TLFB showed low to moderate agreement, EMA and MR reports aligned better, suggesting that retrospective methods may not effectively replace real-time assessments.
Article Abstract
Objective: This study compares three methods of cannabis and of alcohol use assessment in a sample of regular cannabis users: (a) ecological momentary assessment (EMA) repeated momentary surveys aggregated to the daily level, (b) EMA morning reports (MR) where participants reported on their total use from the previous day, and (c) retrospective timeline followback (TLFB) interviews covering the same period of time as the EMA portion of the study. We assessed the overall correspondence between these methods in terms of cannabis and alcohol use occasions and also investigated predictors of agreement between methods.
Method: Forty-nine individuals aged 18-50 ( = 24.49, 49% female, 84% White) who reported regular cannabis use completed a 14-day EMA study. At the end of the EMA period, participants returned to the laboratory to complete a TLFB (administered via computer) corresponding to the same dates of the EMA period.
Results: Daily aggregated EMA and TLFB reports showed a low to modest agreement for both alcohol and cannabis use. Overall, agreement between EMA and MR was better than agreement between EMA and TLFB, likely because less retrospection is required when only reporting on behavior from the previous day. Quantity and frequency of use differentially predicted agreement across reporting methods when assessing alcohol compared to cannabis. When reporting cannabis use, but not alcohol use, individuals who used more demonstrated higher agreement between EMA and TLFB.
Conclusions: Results suggest that retrospective reporting methods assessing alcohol and cannabis should not be considered a direct "substitute" for momentary or daily assessments. (PsycInfo Database Record (c) 2023 APA, all rights reserved).
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10225010 | PMC |
| http://dx.doi.org/10.1037/adb0000897 | DOI Listing |
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