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: 0.650 0.550 2: 0.567 0.483 (z_obs): ( 0.8447 ) ( 0.6408 ) 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: 0.511 0.385 1.07 2: 0.126 0.168 1.01 (z_obs): ( 1.179 ) ( 0.935 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.700 0.700 2: 0.517 0.500 (z_obs): ( 1.9992**) ( 2.1890**) 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: 1.049 0.524 1.00 2: 0.042 0.042 1.00 (z_obs): ( 3.032**) ( 2.055**) 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 0.450 0.200 0.250 0.100 0.455 0.195 0.245 0.105 12 0.067 0.500 0.233 0.200 0.170* 0.397 0.130 0.303 21 0.150 0.300 0.367 0.183 0.232 0.217 0.284 0.266 22 0.133 0.383 0.367 0.117 0.258* 0.258 0.242 0.242* --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 12 response = 11 stimulus = 22 response = 11 stimulus = 22 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' : 0.919 0.123** 0.511 crit: 0.366 0.431 0.385 SI => ~DS; and ?~PI beta: 0.918 1.047 1.069 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : -0.142 -0.162 0.126 crit: -0.765 0.566** 0.168 ~SI but =d's => ?PI and ?~DS beta: 1.103 0.901 1.013 <- 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' : 1.689 0.469** 1.049 crit: 0.502 0.566 0.524 SI => ~DS; and ?~PI beta: 0.561 1.168 1.000 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.219 -0.271 0.042 crit: -0.431 0.431** 0.042 ~SI but =d's => ?PI and ?~DS beta: 0.889 0.858 1.001 <- 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) ______________________________________________________________________