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: 0.650 0.650 2: 0.550 0.633 (z_obs): ( 1.0302 ) ( 0.0952 ) 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: 0.771 0.385 1.00 2: 0.466 0.126 0.95 (z_obs): ( 0.922 ) ( 1.118 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.733 0.683 2: 0.650 0.767 (z_obs): ( 0.8932 ) ( 0.9240 ) 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: 1.100 0.623 1.08 2: 1.113 0.385 0.83 (z_obs): ( 0.039 ) ( 0.988 ) 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 0.567 0.083 0.167 0.183 0.477 0.173 0.257 0.093 12 0.267 0.283 0.050 0.400 0.174 0.376 0.142* 0.308 21 0.250 0.100 0.400 0.250 0.227 0.122 0.423 0.227 22 0.100 0.267 0.133 0.500 0.086 0.281 0.148 0.486 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 12 response = 21 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 1.041 0.077** 0.771 crit: 0.748 -0.489** 0.385 SI => ~DS; and ?~PI beta: 1.267 0.960 1.000 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.183 0.176** 0.466 crit: 1.003 -0.216** 0.126 SI => ~DS; and ?~PI beta: 1.627 0.948 0.951 <- 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' : 1.173 1.161 1.100 crit: 1.135 -0.060** 0.623 SI => ~DS; =d's => ?PI beta: 1.903 0.476 1.084 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.171 1.098 1.113 crit: 0.566 0.293 0.385 PI and DS beta: 0.978 0.755 0.826 <- 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) ______________________________________________________________________