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: 0.733 0.600 2: 0.450 0.833 (z_obs): ( 3.2002**) ( 2.8314**) 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: 0.876 0.623 1.18 2: 0.842 -0.126 0.63 (z_obs): ( 0.099 ) ( 3.149**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.733 0.783 2: 0.667 0.833 (z_obs): ( 0.6991 ) ( 0.5810 ) 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: 1.406 0.623 0.89 2: 1.398 0.431 0.69 (z_obs): ( 0.023 ) ( 0.797 ) 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 0.650 0.083 0.083 0.183 0.538 0.196* 0.196* 0.071** 12 0.200 0.250 0.017 0.533 0.098* 0.352 0.119** 0.431 21 0.383 0.017 0.283 0.317 0.267 0.133** 0.400 0.200 22 0.100 0.067 0.067 0.767 0.028* 0.139 0.139 0.694 --------------------------------------------------------------- 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 stimulus = 12 response = 11 stimulus = 12 response = 21 stimulus = 21 response = 12 stimulus = 22 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' : 1.018 1.156 0.876 crit: 1.207 -0.489** 0.623 ~SI but =d's => ?PI and ?~DS beta: 2.036 0.291 1.176 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.173 0.935 0.842 crit: 1.426 -0.470** -0.126 ~SI but =d's => ?PI and ?~DS beta: 2.677 0.416 0.631 <- 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' : 1.347 1.388 1.406 crit: 1.207 -0.489** 0.623 ~SI but =d's => ?PI and ?~DS beta: 2.053 0.194 0.893 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.478 1.335 1.398 crit: 1.732 -0.070** 0.431 ~SI but =d's => ?PI and ?~DS beta: 4.337 0.374 0.687 <- 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) ______________________________________________________________________