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: 0.817 0.417 2: 0.500 0.650 (z_obs): ( 3.7776**) ( 2.5407**) 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: 0.692 0.903 1.47 2: 0.385 0.000 0.93 (z_obs): ( 0.902 ) ( 3.637**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.783 0.483 2: 0.733 0.633 (z_obs): ( 0.5340 ) ( 1.5807 ) 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: 0.742 0.784 1.36 2: 0.964 0.623 1.15 (z_obs): ( 0.650 ) ( 0.640 ) 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 0.100 0.067 0.117 0.640 0.177 0.144 0.040* 12 0.317 0.183 0.200 0.300 0.258 0.242 0.258 0.242 21 0.483 0.100 0.250 0.167 0.428 0.156 0.306 0.111 22 0.183 0.167 0.183 0.467 0.128 0.222 0.238 0.412 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells 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' : 0.962 0.222** 0.692 crit: 1.372 -0.097** 0.903 SI => ~DS; and ?~PI beta: 2.355 0.955 1.470 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.287 0.326 0.385 crit: 0.287 -0.307** 0.000 SI => ~DS; =d's => ?PI beta: 1.042 0.858 0.928 <- 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' : 0.822 -0.095** 0.742 crit: 1.163 -0.349** 0.784 SI => ~DS; and ?~PI beta: 1.855 1.029 1.358 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.889 0.830 0.964 crit: 0.949 0.253** 0.623 SI => ~DS; =d's => ?PI beta: 1.565 0.874 1.146 <- 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) ______________________________________________________________________