TABLE II

Mean and Range (in Brackets) of the Control Levels Calculated in the Simulation Experiments Summarized in Table I

Normal DistributionPoisson DistributionNegative Binomial DistributionZINBGamma DistributionFormula by Hussong and MadsenNon-Parametric
Figure 3A2 (1–2)2 (1–2)3 (1–4)3 (1–4)3 (2–4)3 (2–3)4 (2–6)
Figure 3B12 (8–18)6 (5–8)16 (11–24)16 (10–24)19 (12–28)11 (9–14)24 (14–35)
Figure 3C25 (14–34)9 (7–10)31 (18–39)31 (18–39)42 (22–58)16 (12–17)64 (33–96)
Figure 4A31 (27–33)16 (15–17)56 (47–63)36 (31–40)40 (35–43)26 (25–27)36 (30–41)
Figure 4B76 (63–88)30 (26–34)113 (95–130)88 (72–104)103 (86–118)45 (39–51)114 (90–140)
Figure 4C123 (105–135)53 (48–57)154 (139–169)143 (119–151)154 (127–174)75 (69–79)170 (115–235)