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 0.683 2: 0.806 0.700 (z_obs): ( 1.3473 ) ( 0.2854 ) 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: 1.562 1.085 1.61 2: 1.386 0.862 1.26 (z_obs): ( 0.839 ) ( 1.413 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.833 0.733 2: 0.728 0.750 (z_obs): ( 2.3753**) ( 0.3011 ) 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: 1.590 0.967 1.32 2: 1.281 0.606 0.96 (z_obs): ( 1.499 ) ( 2.417**) 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 0.728 0.133 0.106 0.033 0.718 0.144 0.116 0.023 12 0.167 0.639 0.100 0.094 0.215 0.591 0.052* 0.143 21 0.161 0.156 0.567 0.117 0.230* 0.086** 0.497 0.186* 22 0.011 0.289 0.239 0.461 0.075** 0.225 0.175 0.525 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 12 response = 21 stimulus = 21 response = 11 stimulus = 21 response = 12 stimulus = 21 response = 22 stimulus = 22 response = 11 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 1.910 0.662** 1.562 crit: 1.142 0.842* 1.085 SI => ~DS; and ?~PI beta: 1.430 1.402 1.608 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 2.020 1.424** 1.386 crit: 0.319 1.132** 0.862 SI => ~DS; and ?~PI beta: 0.247 1.819 1.263 <- 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' : 1.833 0.670** 1.590 crit: 1.016 0.706** 0.967 SI => ~DS; and ?~PI beta: 1.200 1.282 1.315 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.808 1.360* 1.281 crit: 0.022 0.951** 0.606 SI => ~DS; and ?~PI beta: 0.203 1.446 0.957 <- 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) ______________________________________________________________________