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 0.783 2: 0.600 0.917 (z_obs): ( 3.6369**) ( 1.9517* ) 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: 1.975 1.192 1.50 2: 1.636 0.253 0.40 (z_obs): ( 0.852 ) ( 3.511**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.817 0.600 2: 0.467 0.917 (z_obs): ( 4.1918**) ( 4.2461**) 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: 1.156 0.903 1.46 2: 1.299 -0.084 0.39 (z_obs): ( 0.379 ) ( 3.972**) 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 0.767 0.117 0.050 0.067 0.721 0.162 0.095 0.021 12 0.333 0.267 0.067 0.333 0.240 0.360 0.160* 0.240 21 0.150 0.067 0.317 0.467 0.101 0.116 0.366 0.418 22 0.017 0.067 0.067 0.850 0.007-- 0.076 0.076 0.840 --------------------------------------------------------------- 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' : 2.008 1.499 1.975 crit: 1.545 0.349** 1.192 SI => ~DS; =d's => ?PI beta: 2.960 0.548 1.497 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.809 1.316 1.636 crit: 0.967 -0.140** 0.253 SI => ~DS; =d's => ?PI beta: 1.121 0.350 0.397 <- 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' : 0.977 0.787 1.156 crit: 1.117 -0.180** 0.903 SI => ~DS; =d's => ?PI beta: 1.847 0.637 1.456 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.344 1.213 1.299 crit: 0.502 -0.242** -0.084 SI => ~DS; =d's => ?PI beta: 0.796 0.357 0.386 <- 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) ______________________________________________________________________