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: 0.517 0.650 2: 0.500 0.633 (z_obs): ( 0.0913 ) ( 0.0952 ) 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: 0.427 0.042 0.93 2: 0.341 0.000 0.94 (z_obs): ( 0.264 ) ( 0.183 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.367 0.733 2: 0.367 0.683 (z_obs): ( -0.0947 ) ( 0.5029 ) 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: 0.282 -0.341 0.87 2: 0.136 -0.341 0.95 (z_obs): ( 0.433 ) ( 0.000 ) 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 0.200 0.317 0.167 0.317 0.189 0.327 0.177 0.306 12 0.117 0.383 0.150 0.350 0.133 0.367 0.133 0.367 21 0.050 0.300 0.317 0.333 0.128* 0.222 0.238 0.412 22 0.083 0.283 0.233 0.400 0.116 0.251 0.201 0.433 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 21 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' : 1.211 0.066** 0.427 crit: 0.114 0.000 0.042 SI => ~DS; and ?~PI beta: 0.552 0.998 0.929 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.476 0.273 0.341 crit: -0.157 0.057 0.000 PI and DS beta: 0.828 0.979 0.944 <- 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' : 0.441 0.125 0.282 crit: -0.287 -0.399 -0.341 PI and DS beta: 0.799 0.944 0.873 <- betas not tested for equivalence stimulus @ level 2 on Top d' : -0.320 0.304* 0.136 crit: -1.068 -0.032** -0.341 SI => ~DS; and ?~PI beta: 1.337 0.946 0.946 <- 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) ______________________________________________________________________