Design = 2 x 2 Number of trials per stimulus = 158 158 158 158 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.671 0.652 2: 0.633 0.671 (z_obs): ( 0.6500 ) ( 0.2972 ) 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: 0.833 0.442 1.02 2: 0.782 0.340 0.96 (z_obs): ( 0.248 ) ( 0.709 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.728 0.797 2: 0.506 0.861 (z_obs): ( 4.1004**) ( 1.4248 ) 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: 1.439 0.606 0.85 2: 1.100 0.016 0.56 (z_obs): ( 1.524 ) ( 4.044**) 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 0.430 0.241 0.297 0.032 0.488 0.183 0.240 0.090** 12 0.070 0.563 0.133 0.234 0.128* 0.505 0.074* 0.293 21 0.089 0.259 0.418 0.234 0.176** 0.172** 0.330* 0.322* 22 0.013 0.316 0.127 0.544 0.046* 0.283 0.093 0.577 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 response = 22 stimulus = 12 response = 11 stimulus = 12 response = 21 stimulus = 21 response = 11 stimulus = 21 response = 12 stimulus = 21 response = 21 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' : 1.165 1.129 0.833 crit: 0.231 1.194** 0.442 SI => ~DS; =d's => ?PI beta: 0.664 2.035 1.022 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.933 0.881 0.782 crit: -0.402 0.543** 0.340 ~SI but =d's => ?PI and ?~DS beta: 0.445 1.094 0.961 <- 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' : 1.589 1.657 1.439 crit: 0.362 1.304** 0.606 SI => ~DS; =d's => ?PI beta: 0.503 2.198 0.850 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.109 1.243 1.100 crit: -0.660 0.361** 0.016 ~SI but =d's => ?PI and ?~DS beta: 0.260 0.723 0.556 <- 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) ______________________________________________________________________