Appropriateness
Assessed through the Intervention Appropriateness Measure (IAM) survey and goodness-of-fit interview.
DDBT Mechanisms
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Engagement
Assessed through the UWAC Engagement Measure, observation, self-report, and telemetry (for digital interventions and implementation strategies).
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Usability
Assessed through usability evaluation, which includes methods such as heuristic evaluations, usability testing, cognitive walkthroughs, and standardized surveys (e.g., System/Intervention/Implementation Strategy Usability Scale).