Design = 2 x 2 Number of trials per stimulus = 100 99 96 97 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.810 0.917 2: 0.657 0.897 (z_obs): ( 2.4027**) ( 0.3492 ) 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: 2.261 0.878 0.56 2: 1.667 0.403 0.49 (z_obs): ( 1.866* ) ( 2.444**) CONCLUSIONS: ~PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.650 0.636 2: 0.292 0.825 (z_obs): ( -5.4607**) ( 2.9633**) 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: 0.734 0.385 1.01 2: 0.385 -0.549 0.75 (z_obs): ( 1.285 ) ( 5.002**) 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 0.620 0.190 0.030 0.160 0.527 0.283* 0.124** 0.066** 12 0.303 0.354 0.061 0.283 0.239 0.418 0.125* 0.219 21 0.052 0.031 0.240 0.677 0.024 0.059 0.267 0.649 22 0.010 0.093 0.165 0.732 0.018 0.085 0.157 0.740 --------------------------------------------------------------- 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 = 21 stimulus = 11 response = 22 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' : 2.604 1.812** 2.261 crit: 1.683 0.108** 0.878 ~SI & ~=d's => ?~PI and ?~DS beta: 2.699 0.235 0.565 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 2.532 1.353** 1.667 crit: 0.967 0.140** 0.403 SI => ~DS; and ?~PI beta: 0.469 0.484 0.488 <- 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' : 0.820 -0.074** 0.734 crit: 0.724 -1.003** 0.385 ~SI & ~=d's => ?~PI and ?~DS beta: 1.293 1.074 1.014 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.600 0.261** 0.385 crit: 0.319 -0.639** -0.549 SI => ~DS; and ?~PI beta: 0.463 0.818 0.752 <- 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) ______________________________________________________________________