Design = 2 x 2 Number of trials per stimulus = 99 97 94 97 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.455 0.521 2: 0.526 0.495 (z_obs): ( -1.0708 ) ( 0.2942 ) 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: -0.061 -0.114 1.01 2: 0.052 0.065 1.00 (z_obs): ( 0.441 ) ( 0.997 ) CONCLUSIONS: PS DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.646 0.485 2: 0.543 0.536 (z_obs): ( 1.4053 ) ( 0.6472 ) 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: 0.337 0.376 1.07 2: 0.197 0.107 1.00 (z_obs): ( 0.544 ) ( 1.470 ) 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 0.192 0.263 0.455 0.091 0.294* 0.161* 0.353 0.193** 12 0.165 0.361 0.351 0.124 0.271* 0.255* 0.244* 0.230** 21 0.138 0.340 0.404 0.117 0.260** 0.219* 0.283* 0.238** 22 0.124 0.381 0.340 0.155 0.234** 0.271* 0.230* 0.265** --------------------------------------------------------------- NOTE: * p<.10; ** p<.05, two-tailed; -- probs are too small --------------------------------------------------------------- SUMMARY: sampling independence has failed in the following cells stimulus = 11 response = 11 stimulus = 11 response = 12 stimulus = 11 response = 22 stimulus = 12 response = 11 stimulus = 12 response = 12 stimulus = 12 response = 21 stimulus = 12 response = 22 stimulus = 21 response = 11 stimulus = 21 response = 12 stimulus = 21 response = 21 stimulus = 21 response = 22 stimulus = 22 response = 11 stimulus = 22 response = 12 stimulus = 22 response = 21 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' : 0.126 -0.004 -0.061 crit: -0.533 0.652** -0.114 ~SI but =d's => ?PI and ?~DS beta: 0.928 0.997 1.005 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 0.155 0.100 0.052 crit: -0.468 0.658** 0.065 ~SI but =d's => ?PI and ?~DS beta: 0.919 1.063 1.002 <- 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' : 0.289 0.327 0.337 crit: -0.196 0.967** 0.376 ~SI but =d's => ?PI and ?~DS beta: 0.906 1.300 1.072 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 0.134 0.268 0.197 crit: -0.557 0.757** 0.107 ~SI but =d's => ?PI and ?~DS beta: 0.920 1.182 1.002 <- 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) ______________________________________________________________________