Design = 2 x 2 Number of trials per stimulus = 179 177 178 179 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.771 0.472 2: 0.503 0.615 (z_obs): ( 5.4173**) ( 2.6793**) 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: 0.672 0.742 1.31 2: 0.298 0.007 0.96 (z_obs): ( 1.927* ) ( 5.246**) CONCLUSIONS: ~PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.777 0.706 2: 0.624 0.760 (z_obs): ( 3.1389**) ( 1.0844 ) 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: 1.303 0.761 1.15 2: 1.021 0.315 0.82 (z_obs): ( 1.404 ) ( 3.150**) 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 0.642 0.128 0.134 0.095 0.599 0.172 0.178 0.051* 12 0.164 0.339 0.130 0.367 0.148 0.355 0.146 0.351 21 0.360 0.169 0.264 0.208 0.329 0.199 0.294 0.178 22 0.112 0.274 0.128 0.486 0.093 0.293 0.148 0.467 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells 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' : 0.751 0.320** 0.672 crit: 0.944 0.189** 0.742 SI => ~DS; and ?~PI beta: 1.532 1.009 1.314 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.233 0.308 0.298 crit: 0.145 -0.050 0.007 PI and DS beta: 1.007 0.939 0.959 <- 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' : 1.419 0.855** 1.303 crit: 0.967 0.216** 0.761 SI => ~DS; and ?~PI beta: 1.442 0.834 1.153 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.024 0.959 1.021 crit: 0.470 0.150** 0.315 SI => ~DS; =d's => ?PI beta: 0.958 0.729 0.819 <- 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) ______________________________________________________________________