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Table 1 A hypothetical example of a survey question in the discrete choice experiment

From: Understanding the value of adhering to or adapting evidence-based interventions: a study protocol of a discrete choice experiment

Scenario: The parental program includes 10 sessions, seven focusing on improving parental skills in general and parent–child relationships in particular, and three focusing directly on child behavioral problems. Each group includes six parents, and due to constraint resources, the practitioners can only accommodate 21 sessions per year. There is a long waiting list.
Outcomes Option 1: Provide all 10 sessions Option 2: Omit three sessions
Efficacy Parental skills are improved, and relational and behavioral issues are solved. Parental skills are improved, and relational issues are solved, but behavioral problems remain.
Timeliness Twelve parents a year are treated. Eighteen parents a year are treated.
Adverse outcome, participants One chance in 20 that behavioral problems will deteriorate to delinquency. One chance in 10 that behavioral problems will deteriorate to delinquency.
Adverse outcome,
waiting list
One chance in 10 that children on the waiting list develop anxiety disorder. One chance in 20 that children on the waiting list will develop anxiety disorder.
Which option would you choose? Option 1 Option 2