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Refining the marijuana purchase task: Using qualitative methods to inform measure development.

ABSTRACT: Behavioral economic demand for cannabis (i.e., relative reinforcing value) can be measured via marijuana purchase tasks (MPTs). However, commodity ambiguities pose challenges and design concerns exist regarding current MPTs. The aim of this 2-phase study was to modify and improve a MPT using qualitative methods. Phase I: Focus groups were conducted with regular (i.e., average use ≥ once/week) cannabis users (n = 31; 6-7 per group M[SD] age = 26 [7]; 28% female). Focus groups followed a semistructured agenda, and executive summaries were made concerning key MPT themes. Feedback was used to refine the MPT. Phase II: Cognitive interviews using the refined MPT were conducted with regular cannabis users (n = 20; M[SD] age = 28 [8]; 50% female). Phase I: Focus group analyses highlighted 4 critical areas for MPT improvement: (a) unit of purchase, (b) cannabis quality, (c) time duration specified for use episode, and (d) price. Participants suggested using grams as the unit of purchase, tailoring cannabis quality to the individual, and clarifying intended episode length. Phase II: Cognitive interviewing indicated additional areas for task refinement, resulting in a second iteration of the MPT based on the 2 phases. Qualitative research in both phases suggested a number of substantive modifications to the MPT format. MPT modifications are expected to improve comprehension, ecological validity, and general construct validity. Findings highlight the importance of careful instructional set development for drug purchase tasks for heterogeneous products that do not have standard units of consumption. (PsycInfo Database Record (c) 2021 APA, all rights reserved).

SUBMITTER: Aston ER

PROVIDER: S-EPMC7483201 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Project description:ObjectivesTo systematically review published pretrial qualitative research studies and explore how their findings were used to inform recruitment and retention processes in full-scale trials.DesignQualitative evidence synthesis using thematic analysis.Data sources and eligibility criteriaWe conducted a comprehensive search of databases; Dissertation Abstracts International, CINAHL, Embase, MEDLINE, Sociological Abstracts and PsycINFO. We included all reports of pretrial qualitative data on recruitment and retention in clinical trials up to March 2018.Data extraction and synthesisTwo authors independently extracted data using a predefined data extraction form that captured study aims, design, methodological approach and main findings, including barriers and facilitators to recruitment and or retention. The synthesis was undertaken using Thomas and Harden's thematic synthesis method and reported following the Enhancing Transparency in Reporting the Synthesis of Qualitative Research guidelines. Confidence was assessed using Grading of Recommendations Assessment, Development and Evaluation-Confidence in the Evidence from Reviews of Qualitative research approach.ResultsThirty-five papers (connected to 31 feasibility studies) from three different countries, published between 2010 and 2017 were included. All studies were embedded in pilot or feasibility studies to inform design aspects in preparation for a subsequent full-scale trial. Twelve themes were identified as recruitment barriers and three as recruitment facilitators. Two themes were identified as barriers for retention and none as retention facilitators. The findings from qualitative research in feasibility or pilot trials are often not explicitly linked to proposed changes to the recruitment and retention strategies to be used in the future or planned full-scale trial.ConclusionsMany trial teams do pretrial qualitative work with the aim of improving recruitment and retention in future full-scale trials. Just over half of all reports of such work do not clearly show how their findings will change the recruitment and retention strategy of the future trial. The scope of pretrial work needs to expand beyond looking for problems and also look for what might help and spend more time on retention.

Project description:AimsTo examine and refine a conceptual model of resilience in adult cancer care based on the perspectives and experiences of resilience in adults with colorectal cancer.DesignA descriptive qualitative study was performed.MethodsTwelve participants diagnosed with colorectal cancer that had completed cancer treatment with curative intent were recruited from a tertiary hospital in Australia from July to December 2019. The meaning of individual resilience was explored using in-depth individual interviews. Data were analysed using inductive thematic analysis. Following data analysis, the elements of the conceptual model of resilience were mapped against the themes and subthemes to refine the model.ResultsFive themes were identified as key elements of individual resilience in adults with colorectal cancer: (1) seeking motivations to move forward; (2) striving for normality; (3) adapting and managing self; (4) drawing on external supports; (5) redefining self. A refined conceptual model of individual resilience in adults with colorectal cancer was developed based on the integration of the themes and the elements of the conceptual model of individual resilience.ConclusionsOur refined conceptual model of individual resilience in adults with colorectal cancer could facilitate nurses' and other health professionals' understanding of the process of how resilient individuals with colorectal cancer overcome their illness-related adversity. This refined model may be used to further develop and test cancer-specific resilience measures and develop interventions to facilitate resilience in people living with colorectal cancer.ImpactThis research identified five features of resilience in adults with colorectal cancer and refined a conceptual model of resilience in adults with colorectal cancer. The findings could help nurses and other health professionals with identifying individuals who are at risk of adaptation difficulties and contribute to an early referral to psychosocial support services.

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Refining the marijuana purchase task: Using qualitative methods to inform measure development.

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