Bias	Authors' judgment	Description
Selection bias	Very likely	No discussion of randomization and group assignment procedures
Performance bias	Very likely	No discussion of researcher blinding
Detection bias	Very likely	No discussion of assessor blinding
Attrition bias	Uncertain	No discussion of participant attrition
Reporting bias	Uncertain	Reporting complete for demographics, vocational history, cognition, social responsiveness, and employment at follow‐up; no discussion of missing data
Other bias	Likely	Small sample size and limited measurement of participant covariates led to a large amount of unexplained variance in data as evidenced by a marginal p‐value of 0.048 for null hypothesis [JPT3]