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: 0.233 0.750 2: 0.267 0.800 (z_obs): ( -0.5274 ) ( 0.5475 ) 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: -0.053 -0.728 1.04 2: 0.219 -0.623 0.85 (z_obs): ( 0.764 ) ( 0.422 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.350 0.833 2: 0.133 0.900 (z_obs): ( -2.9756**) ( 0.9445 ) 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: 0.582 -0.385 0.67 2: 0.171 -1.111 0.82 (z_obs): ( 1.045 ) ( 2.758**) 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 0.067 0.167 0.283 0.483 0.082 0.152 0.268 0.498 12 0.000 0.267 0.167 0.567 0.044-- 0.222 0.122 0.611 21 0.017 0.233 0.117 0.633 0.033 0.217 0.100 0.650 22 0.000 0.200 0.100 0.700 0.020-- 0.180 0.080 0.720 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells none ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.274 -0.039 -0.053 crit: -0.876 -0.654 -0.728 PI and DS beta: 0.757 1.025 1.038 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.000 0.297 0.219 crit: -2.394 -0.468** -0.623 SI => ~DS; =d's => ?PI beta: 1.000 0.833 0.852 <- 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' : 1.828 0.415** 0.582 crit: -0.566 -0.333 -0.385 SI => ~DS; and ?~PI beta: 0.067 0.799 0.675 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.893 0.137 0.171 crit: -1.501 -1.013 -1.111 PI and DS beta: 0.176 0.862 0.815 <- 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) ______________________________________________________________________