Team Performance Science Guide · Part VII · evidence chain
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.
191 sources
655 findings
586 constructs
525 survey items
last update 2026-06-03
FIELD STUDY
Sheeran et al. (2016). The Impact of Changing Attitudes, Norms, and Self-Efficacy on Health-Related Intentions and Behavior: A Meta-Analysis. Health Psychology.
Ingested 2026-05-23 · 4 findings extracted · 4 constructs derived · 4 survey items derived
One's ability to execute the relevant responses, referring to how confident people are that they can perform a focal behavior.
strong
Constructs derived (1)
Self-EfficacyMOTIVATION
Survey items (1)
How confident are you that you could undertake health behavior X even under adverse circumstance Y?
Evidence weight: 0.70 · last calibration: 2026-06-03
People’s decisions or self-instructions to act, considered as a mediator of the influence of attitudes, social norms, and self-efficacy on health behavior.
strong
Perceptions of social pressure from other people and beliefs about how other people act.
strong
Beliefs concerning the appeal and consequences of behavior, representing people's evaluation of the consequences of performing health behavior.
strong