Design = 2 x 2 Number of trials per stimulus = 171 171 170 168 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.673 0.547 2: 0.579 0.512 (z_obs): ( 1.7401* ) ( 0.5936 ) 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: 0.565 0.447 1.10 2: 0.229 0.199 1.02 (z_obs): ( 1.728* ) ( 1.787* ) CONCLUSIONS: ~PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.696 0.760 2: 0.559 0.738 (z_obs): ( 2.5878**) ( 0.4081 ) 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: 1.220 0.513 0.89 2: 0.785 0.148 0.83 (z_obs): ( 2.136**) ( 2.616**) 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 0.556 0.117 0.140 0.187 0.468 0.205** 0.228** 0.100** 12 0.135 0.444 0.105 0.316 0.139 0.440 0.101 0.320 21 0.241 0.212 0.318 0.229 0.253 0.200 0.306 0.241 22 0.101 0.387 0.161 0.351 0.128 0.360 0.134 0.378 --------------------------------------------------------------- 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 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 1.008 -0.243** 0.565 crit: 0.836 -0.293** 0.447 ~SI & ~=d's => ?~PI and ?~DS beta: 1.397 1.043 1.097 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.442 0.153 0.229 crit: 0.153 0.214 0.199 PI and DS beta: 0.971 1.021 1.020 <- 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' : 1.670 0.494** 1.220 crit: 0.939 -0.180** 0.513 ~SI & ~=d's => ?~PI and ?~DS beta: 1.189 0.810 0.888 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.897 0.688 0.785 crit: 0.081 0.204 0.148 PI and DS beta: 0.719 0.908 0.825 <- 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) ______________________________________________________________________