Thrive Person-Centered Planning Program for Young Adults With Fetal Alcohol Spectrum Disorders

The Goal Setting Capacity Scale is an 8 item scale that measures an individual's agency and capacity to set clear goals. Items are rated on a 5 point Likert scale from 1 Completely Disagree to 5 Completely Agree. Item scores are summed to produce a total score (range 8-40), with higher scores indicating greater goal setting capacity. The outcome measure is the change in total score from baseline to follow up for each participant, calculated as follow up score minus baseline score.

The Patient Measure of Collaborative Goal Setting is a 37 item scale measuring the extent to which participants report collaborative goal setting across domains including listening and learning from each other, sharing ideas, caring relationship, agreement on a measurable objective, and support for goal achievement. Items are rated on a Likert scale from 1 "completely disagree" to 5 "completely agree." Items are aggregated to produce a total score (range 37 to 185), with higher scores indicating greater perceived collaborative goal setting. The outcome measure is the change in total score from baseline to follow up for each participant, calculated as follow up score minus baseline score.

The Basic Psychological Need Satisfaction and Frustration Scale is a 24 item scale assessing psychological need satisfaction and frustration in the domains of autonomy, competence, and relatedness. Items are rated on a 5 point Likert scale from 1 Not at all true to 5 Completely true. The autonomy subscale has 8 items with a range of 8 to 40. Higher scores indicate greater autonomy need satisfaction. This outcome measure is the change from baseline in the autonomy subscale score for each participant, calculated as follow up score minus baseline score.

The Basic Psychological Need Satisfaction and Frustration Scale is a 24 item scale assessing psychological need satisfaction and frustration in the domains of autonomy, competence, and relatedness. Items are rated on a 5 point Likert scale from 1 Not at all true to 5 Completely true. The competence subscale has 8 items with scores ranging from 8 to 40. Higher scores indicate greater competence need satisfaction. This outcome measure is the change from baseline in the competence subscale score for each participant, calculated as follow up score minus baseline score.

The Basic Psychological Need Satisfaction and Frustration Scale is a 24 item scale assessing psychological need satisfaction and frustration in the domains of autonomy, competence, and relatedness. Items are rated on a 5 point Likert scale from 1 Not at all true to 5 Completely true. The relatedness subscale has 8 items with scores ranging from 8 to 40. Higher scores indicate greater relatedness need satisfaction. This outcome measure is the change from baseline in the relatedness subscale score for each participant, calculated as follow up score minus baseline score.

The Personal Well being Index Intellectual Disability Version is an 8 item measure of subjective well being and quality of life. Items assess material, physical, mental, and general well being using a 5 point pictorial scale. Item scores are summed to generate a total score (range 8 to 40), with higher scores indicating better perceived well being. The outcome measure is the change in total score from baseline to follow up for each participant, calculated as follow up score minus baseline score.

The Youth Participation in Planning Scale is a 16 item measure assessing participants' perceptions of meaningful participation in planning. Items are rated on a 5 point Likert scale from 1 Never or almost never to 5 Always or almost always. Several items were adapted to reference the participant's support network and involvement in goal setting. The Participation/Voice subscale has 8 items with scores ranging from 8 to 40. Higher scores indicate greater perceived participation in planning. This outcome measure is the change from baseline in Participation/Voice subscale score for each participant, calculated as follow up score minus baseline score.

The Youth Participation in Planning Scale is a 16 item measure assessing participants' perceptions of meaningful participation in planning. Items are rated on a 5 point Likert scale from 1 Never or almost never to 5 Always or almost always. Several items were adapted to reference the participant's support network and involvement in goal setting. The Preparation to Participate subscale has 4 items with scores ranging from 4 to 20. Higher scores indicate greater perceived participation in planning. This outcome measure is the change from baseline in Preparation to Participate subscale score for each participant, calculated as follow up score minus baseline score.

The Youth Participation in Planning Scale is a 16 item measure assessing participants' perceptions of meaningful participation in planning. Items are rated on a 5 point Likert scale from 1 Never or almost never to 5 Always or almost always. Several items were adapted to reference the participant's support network and involvement in goal setting. The Accountability scale consists of 4 items with scores ranging from 4 to 20. Higher scores indicate greater perceived participation in planning. This outcome measure is the change from baseline in Accountability subscale score for each participant, calculated as follow up score minus baseline score.

Participants establish formal goals as part of the Thrive intervention. Personalized Goal Attainment Scaling is used to assess attainment of these goals on a 5 point scale with benchmarks for less than expected to more than expected goal attainment. The rating is entered at follow up visits after goal setting. Scores range from 1 to 5. Higher ratings indicate greater goal attainment.

Theoretical Framework of Acceptability is an 8 item measure assessing intervention acceptability. Each item is rated on a scale from 1 to 5, with scaling anchors varying by item. Item scores are aggregated to produce a total score (range 8 to 40), with higher scores indicating greater acceptability of the intervention. The outcome measure is the change from baseline to follow up for each participant, calculated as follow up score minus baseline score.