Table 3.

Session expert review

Parts	Content/goals
1. Plenary presentation	Background information on PROMIS® and the development of item banks
2. Plenary presentation	Previous results (i.e., based on De Wind et al. [8]), current status of the project, and the goals of the group discussion
3. Individual assignment	The experts were provided with the provisional item list and the original item bank, and were asked to rate each provisional item for its relevance (yes/no) and comprehensibility (yes/no) The experts were placed in small groups (i.e., 4–5 people) and encouraged to discuss their results with each other
4. Plenary group discussion	Main results were discussed to identify: a. common problems with the formulation of the items (i.e., comprehensibility); b. subdomains of participation not yet covered in the provisional item list (i.e., comprehensiveness) or original item bank; c. additional items that may be relevant for individuals with high levels of social participation (i.e., relevance); d. discussion on subdomain scores (i.e., relevance)