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: 0.433 0.750 2: 0.483 0.783 (z_obs): ( -0.6420 ) ( 0.3240 ) 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: 0.507 -0.168 0.81 2: 0.742 -0.042 0.74 (z_obs): ( 0.689 ) ( 0.550 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.750 0.633 2: 0.783 0.517 (z_obs): ( 0.3240 ) ( 1.2088 ) 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: 1.015 0.674 1.18 2: 0.825 0.784 1.36 (z_obs): ( 0.554 ) ( 0.432 ) 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 0.233 0.200 0.517 0.050 0.325 0.108 0.425 0.142* 12 0.133 0.350 0.233 0.283 0.177 0.306 0.189 0.327 21 0.150 0.100 0.633 0.117 0.196 0.054 0.588 0.163 22 0.050 0.167 0.433 0.350 0.105 0.112 0.379 0.405 --------------------------------------------------------------- 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' : 0.380 0.938 0.507 crit: -0.493 0.842** -0.168 SI => ~DS; =d's => ?PI beta: 0.772 1.418 0.808 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.913 0.593 0.742 crit: -0.349 0.132** -0.042 SI => ~DS; =d's => ?PI beta: 0.479 0.907 0.736 <- 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' : 0.692 1.473** 1.015 crit: 0.097 1.352** 0.674 SI => ~DS; and ?~PI beta: 0.842 2.475 1.185 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.990 0.879 0.825 crit: 0.253 1.013** 0.784 SI => ~DS; =d's => ?PI beta: 0.787 1.655 1.358 <- 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) ______________________________________________________________________