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. Author manuscript; available in PMC: 2021 Oct 1.
Published in final edited form as: Drug Alcohol Depend. 2020 Aug 22;215:108245. doi: 10.1016/j.drugalcdep.2020.108245

Table 6.

−2LL for the Main Effects and Interaction Models Tested for Conners’ CPT

Model 1 Model 2 χ2 p
Omissions 4976.467 4969.703 6.764 .080
False Alarm Rate 3926.818 3926.126 0.692 .875
Reaction Time 12839.189 12832.874 6.315 .097
Reaction Time Error 8555.174 8549.930 5.244 .155

Note: Model 1 = Main effects of block, HIV, and history of methamphetamine dependence; Model 2 = 2-way interactions between block, HIV, and history of methamphetamine dependence. Degrees of freedom for model 1 = 10, model 2 = 13.