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: 0.783 0.333 2: 0.583 0.467 (z_obs): ( 2.3108**) ( -1.5988 ) 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: 0.353 0.784 1.24 2: 0.127 0.210 1.02 (z_obs): ( 0.670 ) ( 2.351**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.767 0.700 2: 0.617 0.783 (z_obs): ( 1.7028* ) ( 0.9428 ) 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: 1.252 0.728 1.14 2: 1.080 0.297 0.77 (z_obs): ( 0.495 ) ( 1.777* ) 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 0.717 0.067 0.050 0.167 0.601 0.183** 0.166** 0.051** 12 0.200 0.383 0.100 0.317 0.175 0.408 0.125 0.292 21 0.500 0.167 0.117 0.217 0.411 0.256 0.206 0.128 22 0.117 0.417 0.100 0.367 0.116 0.418 0.101 0.366 --------------------------------------------------------------- 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 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.632 -0.402** 0.353 crit: 1.512 -0.566** 0.784 ~SI & ~=d's => ?~PI and ?~DS beta: 2.129 1.158 1.239 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.334 0.040 0.127 crit: 0.431 0.120 0.210 PI and DS beta: 1.092 1.004 1.019 <- 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' : 1.776 -0.030** 1.252 crit: 1.372 -0.736** 0.728 ~SI & ~=d's => ?~PI and ?~DS beta: 2.360 1.022 1.136 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.451 0.406** 1.080 crit: 0.674 -0.385** 0.297 SI => ~DS; and ?~PI beta: 0.929 0.787 0.769 <- 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) ______________________________________________________________________