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: 0.633 0.367 2: 0.350 0.717 (z_obs): ( -3.3321**) ( 4.0114**) 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: 0.000 0.341 1.00 2: 0.188 -0.385 0.91 (z_obs): ( 0.561 ) ( 3.097**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.733 0.667 2: 0.617 0.633 (z_obs): ( 1.2768 ) ( 0.2873 ) 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: 1.054 0.623 1.11 2: 0.637 0.297 0.99 (z_obs): ( 1.241 ) ( 1.364 ) 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 0.567 0.067 0.167 0.200 0.464 0.169* 0.269 0.098* 12 0.233 0.117 0.100 0.550 0.117* 0.233* 0.217* 0.433 21 0.483 0.150 0.133 0.233 0.391 0.243 0.226 0.141 22 0.250 0.033 0.117 0.600 0.104** 0.179** 0.263** 0.454 --------------------------------------------------------------- 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 = 22 stimulus = 12 response = 11 stimulus = 12 response = 12 stimulus = 12 response = 21 stimulus = 22 response = 11 stimulus = 22 response = 12 stimulus = 22 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' : -0.037 -0.399 0.000 crit: 0.748 -0.674** 0.341 ~SI but =d's => ?PI and ?~DS beta: 0.972 1.209 1.000 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.052 0.685 0.188 crit: 0.524 -0.935** -0.385 ~SI but =d's => ?PI and ?~DS beta: 1.026 0.417 0.914 <- 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' : 0.821 0.906 1.054 crit: 1.252 -0.114** 0.623 ~SI but =d's => ?PI and ?~DS beta: 1.996 0.598 1.107 <- betas not tested for equivalence stimulus @ level 2 on Top d' : -0.470 0.634** 0.637 crit: 0.716 -0.349** 0.297 ~SI & ~=d's => ?~PI and ?~DS beta: 0.639 0.655 0.986 <- 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) ______________________________________________________________________