Design = 2 x 2 Number of trials per stimulus = 180 180 179 179 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.756 0.648 2: 0.539 0.838 (z_obs): ( 4.3600**) ( 4.1511**) 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: 1.072 0.692 1.18 2: 1.084 0.098 0.62 (z_obs): ( 0.058 ) ( 4.294**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.756 0.544 2: 0.425 0.810 (z_obs): ( 6.7120**) ( 5.5565**) 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: 0.804 0.692 1.26 2: 0.688 -0.190 0.69 (z_obs): ( 0.581 ) ( 6.351**) 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 0.650 0.106 0.106 0.139 0.571 0.185** 0.185** 0.060** 12 0.289 0.250 0.167 0.294 0.245 0.293 0.210 0.251 21 0.251 0.101 0.173 0.475 0.149** 0.203** 0.275** 0.373** 22 0.056 0.106 0.134 0.704 0.031 0.131 0.159 0.679 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 response = 12 stimulus = 11 response = 21 stimulus = 11 response = 22 stimulus = 21 response = 11 stimulus = 21 response = 12 stimulus = 21 response = 21 stimulus = 21 response = 22 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.849 0.764 1.072 crit: 1.082 -0.172** 0.692 ~SI but =d's => ?PI and ?~DS beta: 1.747 0.655 1.182 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.884 1.019 1.084 crit: 0.343 -0.102** 0.098 SI => ~DS; =d's => ?PI beta: 0.916 0.536 0.618 <- 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' : 0.991 0.183** 0.804 crit: 1.082 -0.172** 0.692 ~SI & ~=d's => ?~PI and ?~DS beta: 1.788 0.953 1.263 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.965 0.373** 0.688 crit: 0.566 -0.621** -0.190 SI => ~DS; and ?~PI beta: 1.084 0.740 0.693 <- 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) ______________________________________________________________________