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: 0.683 0.417 2: 0.617 0.517 (z_obs): ( 0.6715 ) ( -1.1954 ) 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: 0.267 0.477 1.10 2: 0.339 0.297 1.04 (z_obs): ( 0.219 ) ( 0.765 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.967 0.450 2: 0.933 0.433 (z_obs): ( 0.6301 ) ( -0.2758 ) 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: 1.708 1.834 5.33 2: 1.333 1.501 3.04 (z_obs): ( 0.814 ) ( 0.833 ) 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 0.650 0.033 0.317 0.000 0.661 0.023 0.306 0.011-- 12 0.400 0.217 0.150 0.233 0.339 0.278 0.211 0.172 21 0.517 0.067 0.417 0.000 0.544 0.039 0.389 0.028-- 22 0.367 0.117 0.200 0.317 0.274 0.209 0.293 0.224 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells none ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.312 -0.476** 0.267 crit: 0.447 0.674 0.477 SI => ~DS; and ?~PI beta: 1.095 0.648 1.096 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.227 0.569 0.339 crit: 0.605 -0.046** 0.297 SI => ~DS; =d's => ?PI beta: 1.118 0.829 1.044 <- 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' : 1.275 2.214* 1.708 crit: 1.657 1.938 1.834 SI => ~DS; and ?~PI beta: 3.668 6.295 5.332 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.502 2.341** 1.333 crit: 1.204 2.054** 1.501 SI => ~DS; and ?~PI beta: 1.614 7.907 3.042 <- 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) ______________________________________________________________________