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: 0.767 0.667 2: 0.350 0.850 (z_obs): ( 4.9616**) ( 2.2922**) 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: 1.159 0.728 1.19 2: 0.651 -0.385 0.63 (z_obs): ( 1.427 ) ( 4.565**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.733 0.883 2: 0.450 0.883 (z_obs): ( 3.2002**) ( -0.1422 ) 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: 1.815 0.623 0.60 2: 1.066 -0.126 0.50 (z_obs): ( 1.960**) ( 3.149**) 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 0.683 0.083 0.050 0.183 0.562 0.204** 0.171** 0.062** 12 0.117 0.233 0.000 0.650 0.041* 0.309 0.076-- 0.574 21 0.217 0.117 0.233 0.433 0.150 0.183 0.300 0.367 22 0.067 0.083 0.050 0.800 0.017 0.133 0.099 0.751 --------------------------------------------------------------- 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 = 11 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 1.536 0.310** 1.159 crit: 1.489 -0.489** 0.728 ~SI & ~=d's => ?~PI and ?~DS beta: 3.029 0.819 1.188 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.285 0.684 0.651 crit: 1.465 -0.631** -0.385 ~SI but =d's => ?PI and ?~DS beta: 2.878 0.514 0.629 <- 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' : 1.664 1.602 1.815 crit: 1.233 -0.792** 0.623 ~SI but =d's => ?PI and ?~DS beta: 1.950 0.078 0.597 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.525 1.179* 1.066 crit: 0.385 -0.385** -0.126 ~SI & ~=d's => ?~PI and ?~DS beta: 1.067 0.317 0.495 <- 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) ______________________________________________________________________