Design = 2 x 2 Number of trials per stimulus = 100 100 100 100 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.610 0.670 2: 0.550 0.810 (z_obs): ( 0.7894 ) ( 2.2045**) NOTE: MRI fails if ABS(z_obs) >= 1.645 or equivalently p<.10, 2-tailed Bot Signal Detection Marginal Estimates: level d'12 cr12 beta12 1: 0.719 0.279 0.94 2: 1.004 0.126 0.69 (z_obs): ( 1.077 ) ( 0.860 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.400 0.670 2: 0.360 0.710 (z_obs): ( -0.6561 ) ( 0.5356 ) NOTE: MRI fails if ABS(z_obs) >= 1.645 or equivalently p<.10, 2-tailed Top Signal Detection Marginal Estimates: level d'12 cr12 beta12 1: 0.187 -0.253 0.94 2: 0.195 -0.358 0.91 (z_obs): ( 0.032 ) ( 0.583 ) CONCLUSIONS: PS DS ----------------------------------------------- ______________________________________________________________________ *** NOTES ***: for all significance tests, * is p<.10, 2-tailed ** is p<.05, 2-tailed (no stars) is n.s. ~ means NOT (e.g., ~PS means PS failed) ? means POSSIBLY (e.g., ?~DS means DS possibly failed) ______________________________________________________________________ CONDITIONAL ANALYSES ******************** Sampling Independence Joint Probability (observed) vs. ********************* Product of Marginals (predicted by SI) 2-way SI ******** Response 11 12 21 22 Stim 11 0.330 0.280 0.070 0.320 0.244 0.366 0.156** 0.234 12 0.160 0.390 0.170 0.280 0.182 0.369 0.149 0.302 21 0.080 0.250 0.280 0.390 0.119 0.211 0.241 0.429 22 0.030 0.160 0.260 0.550 0.055 0.135 0.235 0.575 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 response = 21 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 1.699 0.194** 0.719 crit: 0.935 -0.084** 0.279 SI => ~DS; and ?~PI beta: 1.155 0.966 0.944 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.224 0.961 1.004 crit: -0.038 0.207 0.126 PI and DS beta: 0.451 0.769 0.686 <- betas not tested for equivalence *** Bot | Top *** Bot levels: 1 & 2 ------------------------ subject's response on Top: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Top d' : 0.654 -0.606** 0.187 crit: 0.103 -0.917** -0.253 SI => ~DS; and ?~PI beta: 0.864 1.451 0.937 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.305 0.258 0.195 crit: -0.699 -0.207** -0.358 SI => ~DS; =d's => ?PI beta: 0.772 0.917 0.915 <- betas not tested for equivalence ______________________________________________________________________ *** NOTES ***: for all significance tests, * is p<.10, 2-tailed ** is p<.05, 2-tailed (no stars) is n.s. ~ means NOT (e.g., ~PS means PS failed) ? means POSSIBLY (e.g., ?~DS means DS possibly failed) ______________________________________________________________________