Table 2.

Sample item format for the Lee Fatigue and Energy Scales including item difficulty estimates generated from the Rasch analysis (logits)

Sample fatigue items
not at all drowsy	____________________________	extremely drowsy	(52.36)
not at all fatigued	____________________________	extremely fatigued	(51.03)
not at all exhausted	____________________________	extremely exhausted	(48.32)
Sample energy items
not at all energetic	____________________________	extremely energetic	(51.33)
not at all efficient	____________________________	extremely efficient	(48.40)

Full scales available elsewhere (Lee et al., 1991).