Design = 2 x 2 Number of trials per stimulus = 59 60 60 60 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.542 0.550 2: 0.250 0.917 (z_obs): ( -3.5118**) ( 4.8771**) 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: 0.232 0.106 1.00 2: 0.709 -0.674 0.48 (z_obs): ( 1.282 ) ( 3.252**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.712 0.817 2: 0.783 0.850 (z_obs): ( 0.7951 ) ( 0.3678 ) 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: 1.462 0.559 0.78 2: 1.820 0.784 0.79 (z_obs): ( 0.967 ) ( 0.897 ) 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 0.508 0.034 0.203 0.254 0.386 0.156** 0.326 0.132* 12 0.117 0.133 0.067 0.683 0.046 0.204 0.138 0.613 21 0.433 0.017 0.350 0.200 0.352 0.098** 0.431 0.119 22 0.033 0.050 0.117 0.800 0.013-- 0.071 0.138 0.779 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 response = 12 stimulus = 11 response = 22 stimulus = 21 response = 12 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.432 0.239 0.232 crit: 0.566 -1.187** 0.106 ~SI but =d's => ?PI and ?~DS beta: 1.163 0.732 0.998 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.113 0.584 0.709 crit: 0.349 -0.981** -0.674 SI => ~DS; =d's => ?PI beta: 0.793 0.476 0.482 <- 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' : 1.618 1.208 1.462 crit: 1.534 -0.140** 0.559 ~SI but =d's => ?PI and ?~DS beta: 3.233 0.407 0.778 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 2.040 1.488 1.820 crit: 1.786 0.349** 0.784 SI => ~DS; =d's => ?PI beta: 4.774 0.555 0.794 <- 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) ______________________________________________________________________