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: 0.550 0.767 2: 0.400 0.750 (z_obs): ( -1.7566* ) ( 0.1066 ) 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: 0.854 0.126 0.77 2: 0.421 -0.253 0.82 (z_obs): ( 1.270 ) ( 1.644 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.450 0.733 2: 0.417 0.733 (z_obs): ( -0.4608 ) ( -0.1032 ) 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: 0.497 -0.126 0.83 2: 0.412 -0.210 0.84 (z_obs): ( 0.252 ) ( 0.368 ) 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 0.350 0.200 0.100 0.350 0.248 0.303 0.202* 0.248 12 0.133 0.267 0.133 0.467 0.107 0.293 0.160 0.440 21 0.150 0.083 0.267 0.500 0.097 0.136 0.319 0.447 22 0.067 0.183 0.200 0.550 0.067 0.183 0.200 0.550 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 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' : 1.123 0.719 0.854 crit: 0.765 -0.349** 0.126 SI => ~DS; =d's => ?PI beta: 1.256 0.601 0.773 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.674 0.326 0.421 crit: 0.000 -0.349 -0.253 PI and DS beta: 0.797 0.846 0.823 <- 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' : 0.779 0.000** 0.497 crit: 0.349 -0.765** -0.126 SI => ~DS; and ?~PI beta: 0.969 1.000 0.830 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.989 0.232** 0.412 crit: 0.366 -0.391** -0.210 SI => ~DS; and ?~PI beta: 0.881 0.889 0.842 <- 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) ______________________________________________________________________