Subjective Vitality Scale (SVS, Ryan & Frederick)
Psychology: Mental HealthReliability: alpha 0.843 sample items
About this scale
A 7-item measure of subjective vitality — the conscious experience of feeling alive and alert. Foundational eudaimonic well-being measure tied to self-determination theory.
Sample item(s)
“I feel alive and vital”
“I have energy and spirit”
“I look forward to each new day”
Reliability
Reported internal consistency: alpha 0.84. As a rule of thumb, Cronbach’s α ≥ .70 is considered acceptable, ≥ .80 good, and ≥ .90 excellent for established measures.
Notes
Free for academic use.
Source & citation
Ryan, R. M., & Frederick, C. (1997): On energy, personality, and health: Subjective vitality as a dynamic reflection of well-being. Journal of Personality, Vol. 65, No. 3, pp. 529–565.
Source. Scale details are summarised from the publication cited above. Always consult the original source for the full item set, scoring, and permission to use.
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