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: 0.683 0.550 2: 0.483 0.733 (z_obs): ( 2.1746**) ( 2.0365**) 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: 0.603 0.477 1.11 2: 0.581 -0.042 0.82 (z_obs): ( 0.065 ) ( 2.219**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.817 0.733 2: 0.733 0.683 (z_obs): ( 0.9887 ) ( 0.5029 ) 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: 1.526 0.903 1.24 2: 1.100 0.623 1.08 (z_obs): ( 1.208 ) ( 1.092 ) 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 0.033 0.167 0.150 0.558 0.125** 0.259 0.058* 12 0.133 0.350 0.133 0.383 0.129 0.354 0.138 0.379 21 0.367 0.083 0.367 0.183 0.330 0.120 0.403 0.147 22 0.067 0.200 0.250 0.483 0.084 0.182 0.232 0.501 --------------------------------------------------------------- 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 = 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' : 0.827 -0.420** 0.603 crit: 0.827 -0.908** 0.477 ~SI & ~=d's => ?~PI and ?~DS beta: 1.408 1.341 1.112 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.805 0.489 0.581 crit: 0.000 -0.057 -0.042 PI and DS beta: 0.723 0.863 0.824 <- 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' : 2.252 0.715** 1.526 crit: 1.657 0.066** 0.903 ~SI & ~=d's => ?~PI and ?~DS beta: 3.305 0.812 1.238 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.570 0.841** 1.100 crit: 0.896 0.431* 0.623 SI => ~DS; and ?~PI beta: 1.190 1.009 1.084 <- 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) ______________________________________________________________________