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: 0.717 0.600 2: 0.767 0.517 (z_obs): ( 0.5222 ) ( 0.8302 ) 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: 0.826 0.573 1.14 2: 0.770 0.728 1.30 (z_obs): ( 0.167 ) ( 0.626 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.900 0.650 2: 0.667 0.750 (z_obs): ( 3.1191**) ( 1.1022 ) 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: 1.667 1.282 2.11 2: 1.105 0.431 0.87 (z_obs): ( 1.527 ) ( 3.072**) 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 0.700 0.017 0.200 0.083 0.645 0.072* 0.255 0.028 12 0.200 0.567 0.150 0.083 0.268 0.498 0.082 0.152 21 0.283 0.117 0.383 0.217 0.267 0.133 0.400 0.200 22 0.100 0.383 0.150 0.367 0.121 0.363 0.129 0.387 --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 response = 12 ___________________________________________________________ Signal Detection MICROANALYSES ****************************** *** Top | Bot *** Top levels: 1 & 2 ------------------------ subject's response on Bot: 1 2 Marg. CONCLUSIONS stimulus @ level 1 on Bot d' : 0.954 -0.582** 0.826 crit: 0.765 -0.967** 0.573 ~SI & ~=d's => ?~PI and ?~DS beta: 1.316 1.482 1.141 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.433 1.107* 0.770 crit: 0.180 1.135** 0.728 SI => ~DS; and ?~PI beta: 0.984 1.903 1.302 <- 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' : 2.631 0.175** 1.667 crit: 1.991 0.541** 1.282 ~SI & ~=d's => ?~PI and ?~DS beta: 5.908 1.083 2.111 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.366 0.908 1.105 crit: 0.549 0.355 0.431 PI and DS beta: 0.832 0.914 0.874 <- 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) ______________________________________________________________________