Design = 2 x 2 Number of trials per stimulus = 158 157 158 158 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.646 0.722 2: 0.465 0.728 (z_obs): ( 3.2220**) ( 0.0630 ) 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: 0.961 0.373 0.90 2: 0.518 -0.088 0.84 (z_obs): ( 2.129**) ( 3.222**) CONCLUSIONS: ~PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.722 0.707 2: 0.348 0.829 (z_obs): ( 7.1151**) ( 2.5266**) 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: 1.132 0.587 1.02 2: 0.560 -0.390 0.69 (z_obs): ( 2.642**) ( 6.624**) 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 0.449 0.196 0.272 0.082 0.466 0.180 0.256 0.099 12 0.108 0.357 0.185 0.350 0.136 0.329 0.157 0.378 21 0.101 0.177 0.247 0.475 0.097 0.182 0.251 0.470 22 0.013 0.259 0.158 0.570 0.047* 0.226 0.124 0.603 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 22 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' : 0.864 1.145 0.961 crit: 0.313 0.538 0.373 PI and DS beta: 0.902 0.961 0.902 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.113 0.499** 0.518 crit: -0.333 0.011** -0.088 SI => ~DS; and ?~PI beta: 0.372 0.888 0.835 <- 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' : 1.243 1.130 1.132 crit: 0.513 0.732 0.587 PI and DS beta: 0.874 1.207 1.024 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.331 0.374** 0.560 crit: -0.349 -0.407 -0.390 SI => ~DS; and ?~PI beta: 0.259 0.801 0.687 <- 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) ______________________________________________________________________