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: 0.700 0.583 2: 0.767 0.433 (z_obs): ( 0.7246 ) ( 1.5699 ) 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: 0.735 0.524 1.12 2: 0.560 0.728 1.29 (z_obs): ( 0.518 ) ( 0.826 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.833 0.800 2: 0.800 0.883 (z_obs): ( 0.3542 ) ( 1.1327 ) 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: 1.809 0.967 1.12 2: 2.033 0.842 0.70 (z_obs): ( 0.580 ) ( 0.472 ) 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 0.550 0.150 0.283 0.017 0.583 0.117 0.250 0.050 12 0.017 0.750 0.183 0.050 0.153** 0.613 0.047** 0.187** 21 0.283 0.133 0.517 0.067 0.333 0.083 0.467 0.117 22 0.017 0.550 0.100 0.333 0.066 0.501 0.051 0.383 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 12 response = 11 stimulus = 12 response = 21 stimulus = 12 response = 22 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.787 0.851 0.735 crit: 0.412 1.282** 0.524 SI => ~DS; =d's => ?PI beta: 1.015 2.072 1.122 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : -0.315 1.222** 0.560 crit: -1.383 1.534** 0.728 ~SI & ~=d's => ?~PI and ?~DS beta: 1.472 3.089 1.285 <- 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' : 2.811 0.802** 1.809 crit: 0.792 1.593** 0.967 SI => ~DS; and ?~PI beta: 0.178 2.601 1.121 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 2.357 1.940 2.033 crit: 0.468 1.204** 0.842 ~SI but =d's => ?PI and ?~DS beta: 0.187 1.574 0.700 <- 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) ______________________________________________________________________