Design = 2 x 2 Number of trials per stimulus = 99 100 98 98 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.768 0.745 2: 0.560 0.735 (z_obs): ( 3.1033**) ( 0.0814 ) 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: 1.390 0.731 1.05 2: 0.778 0.151 0.83 (z_obs): ( 2.272**) ( 3.095**) CONCLUSIONS: ~PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.788 0.830 2: 0.592 0.827 (z_obs): ( 2.9637**) ( -0.0286 ) 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: 1.753 0.799 0.87 2: 1.173 0.232 0.66 (z_obs): ( 2.043**) ( 2.970**) 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 0.677 0.091 0.111 0.121 0.605 0.163 0.183 0.049* 12 0.140 0.420 0.030 0.410 0.095 0.465 0.075 0.365 21 0.194 0.061 0.398 0.347 0.151 0.104 0.441 0.304 22 0.082 0.184 0.092 0.643 0.046 0.219 0.127 0.607 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 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' : 1.522 0.856** 1.390 crit: 1.076 -0.180** 0.731 SI => ~DS; and ?~PI beta: 1.614 0.594 1.052 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.003 0.780 0.778 crit: 0.929 0.015** 0.151 SI => ~DS; =d's => ?PI beta: 1.535 0.747 0.831 <- 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' : 1.857 1.435 1.753 crit: 1.183 -0.055** 0.799 SI => ~DS; =d's => ?PI beta: 1.603 0.330 0.873 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.209 1.236 1.173 crit: 0.706 0.086** 0.232 SI => ~DS; =d's => ?PI beta: 1.131 0.518 0.660 <- 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) ______________________________________________________________________