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Table 2 Trial measurement instruments and processes

From: Implementing the teen marijuana check-up in schools—a study protocol

Unit of analysis

Instrument/process

Respondent(s)

Timing of assessment

Schools

 

Implementation leadership scale [62]

School staff members

Trial outset

 

Implementation climate scale [63]

School staff members

Trial outset

 

Site visit including elicitation interview with school leadership

Principal, other leaders

Trial outset

 

Exit interview

Principal, other Leaders

Trial conclusion

Interventionists

 

Demography and background

Interventionists

Pre-training

 

MI knowledge/attitudes test [64]

Interventionists

Pre/post-training + 6-, 12-, 18-, 24-month

 

Adoption readiness scale [65]

Interventionists

Pre/post-training + 6-, 12-, 18-, 24-month

 

Fidelity-rated interaction with a standardized patient [66]

Interventionists

Pre/post-training + 6-, 12-, 18-, 24-month

 

Training satisfaction survey

Interventionists

Post-training

 

TA satisfaction survey

Interventionists

6-, 12-, 18-, 24-month

 

Interventionist time-log

Interventionists

Weekly, over 24 months

Students

 

Demography and locator data

Students

Baseline

 

Normative perceptions [67, 68]

Students

Baseline

 

Life goals [69]

Students

Baseline

 

Global Appraisal of Independent Needs [70]

Students

Baseline, 3- and 6-month

 

Marijuana Problems Scale [71]

Students

Baseline, 3- and 6-month

 

Marijuana Motives Measure [72]

Students

Baseline, 3- and 6-month

 

Self-efficacy to Avoid Marijuana [73]

Students

Baseline, 3- and 6-month

 

Student Academic Self-Report [74]

Students

Baseline, 3- and 6-month

 

Student Engagement Instrument [75]

Students

Baseline, 3- and 6-month

Investigators

 

Technical Assistance Time-Log

Purveyor

Weekly, over 24 months

 

Stages of Implementation Completion Checklist [76]

Research coordinator

Continual

  1. Trial design proposes recruitment of approximately ten schools, with 2–4 interventionists recruited per participating school to garner an intended sample of TMCU interventionists (N = 30) randomized to ‘gold-standard’ or ‘as-needed’ technical assistance conditions; Self-referring students (N = 250) will be randomized in a 2:1 ratio to receive the TMCU intervention vs. waitlist/control