Design = 2 x 2 Number of trials per stimulus = 60 60 60 60 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.617 0.750 2: 0.483 0.750 (z_obs): ( 1.3887 ) ( -0.1054 ) 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: 0.971 0.297 0.83 2: 0.633 -0.042 0.80 (z_obs): ( 0.998 ) ( 1.467 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.900 0.850 2: 0.817 0.800 (z_obs): ( 1.1865 ) ( 0.6019 ) 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: 2.318 1.282 1.33 2: 1.744 0.903 1.05 (z_obs): ( 1.447 ) ( 1.306 ) 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 0.550 0.067 0.350 0.033 0.555 0.062 0.345 0.038 12 0.017 0.467 0.133 0.383 0.072* 0.411 0.077 0.439 21 0.167 0.083 0.650 0.100 0.204 0.046 0.613 0.138 22 0.017 0.233 0.183 0.567 0.050 0.200 0.150 0.600 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 12 response = 11 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 1.109 0.545* 0.971 crit: 0.282 0.431 0.297 SI => ~DS; and ?~PI beta: 0.739 1.090 0.832 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.162 0.672 0.633 crit: -1.221 0.123** -0.042 ~SI but =d's => ?PI and ?~DS beta: 0.809 0.867 0.797 <- 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' : 3.055 2.009** 2.318 crit: 1.237 1.360 1.282 SI => ~DS; and ?~PI beta: 0.411 2.041 1.329 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.932 1.803 1.744 crit: 0.431 1.111** 0.903 ~SI but =d's => ?PI and ?~DS beta: 0.356 1.459 1.055 <- 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) ______________________________________________________________________