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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 3.

−2LL for the Main Effects and Interaction Models Tested for the 5C-CPT

Model 1 Model 2 χ2 p

d prime 652.333 650.851 1.482 .686
Responsivity Index 64.725 58.413 6.312 .097
Hit Rate −1884.082 −1889.028 4.946 .176
False Alarm Rate −2626.580 −2633.939 7.359 .061
Accuracy −1912.428 −1915.171 2.743 .433
Percent overall 3515.696 3511.669 4.027 .259
Omissions
Reaction Time 6675.166 6674.505 0.661 .882
Premature Responses 2735.521 2730.309 5.212 .157

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.