Design = 2 x 2 Number of trials per stimulus = 92 91 92 92 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.620 0.478 2: 0.440 0.674 (z_obs): ( 2.4049**) ( 2.6633**) 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: 0.250 0.304 1.05 2: 0.299 -0.152 0.91 (z_obs): ( 0.184 ) ( 2.437**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.783 0.571 2: 0.717 0.674 (z_obs): ( 0.9390 ) ( 1.3617 ) 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: 0.961 0.781 1.33 2: 1.026 0.575 1.07 (z_obs): ( 0.234 ) ( 1.021 ) 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 0.587 0.033 0.196 0.185 0.485 0.135** 0.298* 0.083** 12 0.187 0.253 0.242 0.319 0.188 0.251 0.240 0.320 21 0.391 0.130 0.326 0.152 0.374 0.147 0.343 0.135 22 0.098 0.228 0.228 0.446 0.106 0.220 0.220 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 = 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' : 0.560 -0.940** 0.250 crit: 0.674 -1.036** 0.304 ~SI & ~=d's => ?~PI and ?~DS beta: 1.247 1.703 1.046 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.363 0.271 0.299 crit: -0.161 -0.145 -0.152 PI and DS beta: 0.883 0.927 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' : 1.809 0.209** 0.961 crit: 1.620 0.036** 0.781 ~SI & ~=d's => ?~PI and ?~DS beta: 3.648 0.986 1.335 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.199 0.889 1.026 crit: 0.674 0.473 0.575 PI and DS beta: 1.094 1.026 1.066 <- 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) ______________________________________________________________________