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: 0.783 0.717 2: 0.483 0.883 (z_obs): ( 3.4884**) ( 2.2167**) 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: 1.356 0.784 1.15 2: 1.150 -0.042 0.49 (z_obs): ( 0.566 ) ( 3.397**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.833 0.683 2: 0.567 0.933 (z_obs): ( 3.2273**) ( 3.5464**) 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: 1.444 0.967 1.42 2: 1.669 0.168 0.33 (z_obs): ( 0.572 ) ( 3.172**) 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 0.067 0.117 0.100 0.653 0.131 0.181 0.036 12 0.267 0.217 0.050 0.467 0.153* 0.330 0.164** 0.353 21 0.217 0.067 0.350 0.367 0.161 0.123 0.406 0.311 22 0.033 0.083 0.033 0.850 0.008-- 0.109 0.059 0.824 --------------------------------------------------------------- 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 = 12 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' : 1.380 0.767* 1.356 crit: 1.080 -0.253** 0.784 SI => ~DS; and ?~PI beta: 1.714 0.614 1.153 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.003 0.869 1.150 crit: 1.003 -0.476** -0.042 ~SI but =d's => ?PI and ?~DS beta: 1.654 0.453 0.492 <- 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' : 1.242 1.397 1.444 crit: 1.372 0.097** 0.967 SI => ~DS; =d's => ?PI beta: 2.540 0.431 1.425 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.287 1.748 1.669 crit: 0.722 -0.029** 0.168 ~SI but =d's => ?PI and ?~DS beta: 1.105 0.206 0.329 <- 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) ______________________________________________________________________