Table 2.

Means and Standard Deviations of the RewP Variables by Time of Day

	9–10	10–11	11–12	12–1	1–2	2–3	3–4	4–5	5–6	6–7
RewP-Gain M (SD)	10.13 (5.67)	6.25 (9.32)	6.18 (6.46)	5.16 (6.13)	6.92 (7.74)	6.35 (4.82)	6.59 (5.05)	8.09 (5.65)	8.16 (7.15)	6.60 (7.39)
RewP-Loss M (SD)	6.82 (7.73)	3.17 (7.60)	4.56 (7.13)	2.36 (4.15)	3.41 (11.47)	4.84 (6.75)	2.90 (8.16)	4.02 (6.27)	5.43 (6.64)	3.75 (10.57)
ΔRewP M (SD)	3.31 (5.02)	3.08 (7.29)	1.62 (6.08)	2.80 (6.55)	3.51 (7.28)	5.77 (1.51)	3.69 (7.07)	4.07 (6.93)	2.73 (7.87)	2.85 (10.06)

Note. Although we list data in “bins” to facilitate presentation, time of day was treated as a continuous variable in all analyses.