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: 0.467 0.850 2: 0.517 0.900 (z_obs): ( -0.6399 ) ( 0.6920 ) 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: 0.953 -0.084 0.59 2: 1.323 0.042 0.44 (z_obs): ( 0.990 ) ( 0.548 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.433 0.600 2: 0.550 0.783 (z_obs): ( -1.3789 ) ( 2.1177**) 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: 0.085 -0.168 0.98 2: 0.909 0.126 0.74 (z_obs): ( 2.457**) ( 1.278 ) 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 0.100 0.367 0.333 0.200 0.202* 0.264 0.231 0.302 12 0.200 0.317 0.200 0.283 0.207 0.310 0.193 0.290 21 0.083 0.067 0.467 0.383 0.083 0.068 0.468 0.383 22 0.050 0.050 0.167 0.733 0.022 0.078 0.195 0.705 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 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' : 0.294 1.422** 0.953 crit: -0.736 0.377** -0.084 ~SI & ~=d's => ?~PI and ?~DS beta: 0.772 0.622 0.586 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.736 1.593** 1.323 crit: 0.000 0.070 0.042 SI => ~DS; and ?~PI beta: 0.763 0.314 0.440 <- 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' : -0.505 0.536** 0.085 crit: -0.792 0.319** -0.168 ~SI & ~=d's => ?~PI and ?~DS beta: 1.313 1.027 0.982 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.140 1.019** 0.909 crit: 0.140 0.123 0.126 SI => ~DS; and ?~PI beta: 1.010 0.675 0.742 <- 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) ______________________________________________________________________