Performance Science Library

Every evidence pill in Performix traces back through this library. Source papers and books are ingested by the Research-to-Model Engine; constructs, validated measures, and survey items are derived from them and weighted by evidence strength.

59 sources
72 findings
3 constructs
4 survey items
last update 2026-05-23
REVIEW

Ryan & Deci (2000). Self-determination theory and the facilitation of intrinsic motivation, social development, and well-being.. American Psychologist.

Ingested 2026-05-23 · 1 findings extracted

Autonomy support facilitates intrinsic motivation, persistence, and well-being across domains
strong