Subjective feelings questionnaire
What it measures
Subjective feelings questionnaire measures subjective mood and energy levels
Outcome measures
Attentive - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Attentive - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Tense - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Tense - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Bright - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Alert - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Bright - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Shaky - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Shaky - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Alert - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Focused - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Groggy - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Groggy - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Focused - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Jittery - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Jittery - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Energetic - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Energetic - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Lethargic - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Euphoric - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Lethargic - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Euphoric - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Depressed - Men
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
Depressed - Women
An increase in score on this outcome should be interpreted as an improvement. Higher scores are better.
How it measures
Scales of 1-10 were used in a study on the effects of Caffeine and a Theacrine-containing product [1]