“…The initial, proposed categorisation of study interventions was based on the DSM‐5 (APA, 2013) diagnostic criteria: intellectual and adaptive functioning. These were subject to change dependent on findings, but in the first instance were operationalised to: - Intellectual functioning, defined as the ability to think and reason, consisted of one category Cognitive abilities , including executive functioning, problem solving and learning academic skills such as literacy and mathematics.
- Adaptive functioning, defined as competences required for daily living, consisted of four categories). Communication, the ability to understand and be understood (Cervantes et al, 2019). Social skills , the ability to relate with others in a culturally and contextually appropriate manner (Little et al, 2017), including sense of self and self‐esteem, as identity can be considered as being developed through social interactions (Shadden, 2005).
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