is used for to study how self- perceptions influence physical activity and other psychosocial constructs. The CY-PSPP is a 36-item questionnaire with insight on six subscales: sport/athletic competence, condition/stamina competence, attractive body adequacy, strength competence, physical self-worth, and global self-worth.
Social and adaptive behaviour.  The Social Skills Improvement System (SSIS) was designed to assess individuals who are suspected of having significant social difficulties or ASD characteristics. It is a standardized assessment used to measure social skills, problem behaviours, and academic competence.