Design = 2 x 2 Number of trials per stimulus = 180 180 180 180 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.861 0.661 2: 0.744 0.806 (z_obs): ( 2.7450**) ( 3.0805**) 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: 1.501 1.085 1.65 2: 1.519 0.657 0.86 (z_obs): ( 0.085 ) ( 2.777**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.872 0.794 2: 0.533 0.906 (z_obs): ( 7.5121**) ( 2.9137**) 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: 1.959 1.137 1.36 2: 1.398 0.084 0.42 (z_obs): ( 2.488**) ( 6.957**) 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 0.733 0.128 0.139 0.000 0.751 0.110 0.121 0.018-- 12 0.106 0.639 0.100 0.156 0.153 0.591 0.053* 0.203 21 0.144 0.194 0.389 0.272 0.181 0.158 0.353 0.309 22 0.011 0.183 0.083 0.722 0.018 0.176 0.076 0.729 --------------------------------------------------------------- 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' : 1.608 2.230** 1.501 crit: 0.998 2.019** 1.085 SI => ~DS; and ?~PI beta: 1.365 7.510 1.653 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.221 1.690** 1.519 crit: 0.034 0.857** 0.657 SI => ~DS; and ?~PI beta: 0.495 1.020 0.856 <- 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' : 2.116 2.330 1.959 crit: 1.043 2.054** 1.137 SI => ~DS; =d's => ?PI beta: 0.970 7.932 1.361 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.393 1.485 1.398 crit: -0.186 0.223** 0.084 SI => ~DS; =d's => ?PI beta: 0.292 0.462 0.423 <- 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) ______________________________________________________________________