Design = 2 x 2 Number of trials per stimulus = 99 98 98 100 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.323 0.847 2: 0.582 0.730 (z_obs): ( -3.8458**) ( 1.9504* ) 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: 0.565 -0.459 0.66 2: 0.819 0.206 0.85 (z_obs): ( 0.927 ) ( 3.637**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.333 0.929 2: 0.316 0.930 (z_obs): ( -0.3306 ) ( -0.0980 ) 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: 1.035 -0.431 0.38 2: 0.998 -0.478 0.38 (z_obs): ( 0.112 ) ( 0.255 ) 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 0.030 0.293 0.303 0.374 0.108** 0.215 0.226 0.451 12 0.010 0.571 0.061 0.357 0.042 0.540 0.030 0.388 21 0.020 0.133 0.296 0.551 0.048 0.105 0.268 0.579 22 0.000 0.270 0.070 0.660 0.019-- 0.251 0.051 0.679 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 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' : 0.183 0.711 0.565 crit: -1.335 -0.153** -0.459 ~SI but =d's => ?PI and ?~DS beta: 0.771 0.697 0.658 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.508 0.846 0.819 crit: -1.068 0.293** 0.206 SI => ~DS; =d's => ?PI beta: 0.064 0.896 0.847 <- 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' : 0.789 0.921 1.035 crit: -1.318 -0.131** -0.431 ~SI but =d's => ?PI and ?~DS beta: 0.259 0.580 0.375 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.465 0.918 0.998 crit: -1.111 -0.387** -0.478 SI => ~DS; =d's => ?PI beta: 0.067 0.460 0.377 <- 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) ______________________________________________________________________