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: 0.883 0.733 2: 0.717 0.750 (z_obs): ( 2.2167**) ( 0.1043 ) 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: 1.815 1.192 1.68 2: 1.247 0.573 0.94 (z_obs): ( 1.542 ) ( 2.272**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.933 0.683 2: 0.667 0.700 (z_obs): ( 3.7520**) ( 0.0989 ) 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: 1.978 1.501 2.75 2: 0.955 0.431 0.96 (z_obs): ( 2.664**) ( 3.567**) 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 0.833 0.050 0.100 0.017 0.824 0.059 0.109 0.008-- 12 0.217 0.500 0.100 0.183 0.227 0.490 0.090 0.194 21 0.167 0.100 0.500 0.233 0.178 0.089 0.489 0.244 22 0.050 0.200 0.250 0.500 0.075 0.175 0.225 0.525 --------------------------------------------------------------- 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' : 1.916 1.199* 1.815 crit: 1.242 0.674** 1.192 SI => ~DS; and ?~PI beta: 1.722 1.094 1.676 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.447 1.184 1.247 crit: 0.480 0.618 0.573 PI and DS beta: 0.703 1.031 0.939 <- 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' : 2.102 1.445 1.978 crit: 1.584 1.068 1.501 PI and DS beta: 3.066 1.646 2.753 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.160 0.904 0.955 crit: 0.319 0.473 0.431 PI and DS beta: 0.738 1.019 0.956 <- 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) ______________________________________________________________________