The measurement of affect, mood, and emotion: a guide for health-behavioral research

Prologue 1. Documenting the breadth and depth of the problem 2. Untangling the terminological Gordian knot 3. Should affective states be considered as distinct entities or as positioned along dimensions? 4. Are pleasant and unpleasant states independent or polar opposites? 5. Selecting a measure: a proposed three-step process 6. The old classics: measures of distinct states 7. Dimensional measures 8. Domain-specific measurement: challenges and solutions 9. Problems of domain specificity: examples from exercise Epilogue.