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: 0.717 0.550 2: 0.850 0.517 (z_obs): ( 1.6841* ) ( 0.2746 ) 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: 0.699 0.573 1.17 2: 1.078 1.036 1.71 (z_obs): ( 1.091 ) ( 1.769* ) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.883 0.817 2: 0.767 0.783 (z_obs): ( 1.5804 ) ( 0.3426 ) 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: 2.095 1.192 1.35 2: 1.511 0.728 0.96 (z_obs): ( 1.533 ) ( 1.677* ) 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 0.600 0.117 0.283 0.000 0.633 0.084 0.250 0.033-- 12 0.150 0.700 0.033 0.117 0.156 0.694 0.027 0.123 21 0.267 0.183 0.500 0.050 0.345 0.105 0.422 0.128* 22 0.067 0.417 0.150 0.367 0.105 0.379 0.112 0.405 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 21 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' : 0.857 0.674 0.699 crit: 0.466 1.465** 0.573 SI => ~DS; =d's => ?PI beta: 1.032 2.139 1.169 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.411 0.987 1.078 crit: 0.908 1.068 1.036 PI and DS beta: 1.332 1.762 1.710 <- 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' : 1.912 2.654 2.095 crit: 0.983 1.890** 1.192 SI => ~DS; =d's => ?PI beta: 1.053 4.449 1.354 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.324 1.888 1.511 crit: 0.234 1.335** 0.728 SI => ~DS; =d's => ?PI beta: 0.568 2.093 0.959 <- 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) ______________________________________________________________________