Design = 2 x 2 Number of trials per stimulus = 180 180 179 179 MARGINAL ANALYSES ***************** *** Top across Bot *** ------------------------- Bot MRI probabilities: level P1 P2 1: 0.711 0.592 2: 0.600 0.698 (z_obs): ( 2.1777**) ( 2.0563**) 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: 0.790 0.557 1.14 2: 0.773 0.253 0.90 (z_obs): ( 0.087 ) ( 2.217**) CONCLUSIONS: PS ~DS ----------------------------------------------- *** Bot across Top *** ------------------------- Top MRI probabilities: level P1 P2 1: 0.767 0.839 2: 0.536 0.877 (z_obs): ( 4.6618**) ( 0.9631 ) 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: 1.718 0.728 0.80 2: 1.252 0.091 0.51 (z_obs): ( 2.161**) ( 4.571**) 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 0.606 0.106 0.161 0.128 0.545 0.166* 0.221 0.067** 12 0.117 0.483 0.044 0.356 0.097 0.503 0.064 0.336 21 0.218 0.190 0.318 0.274 0.219 0.189 0.318 0.275 22 0.039 0.263 0.084 0.615 0.037 0.265 0.086 0.612 --------------------------------------------------------------- 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 = 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' : 1.043 0.109** 0.790 crit: 0.806 -0.120** 0.557 ~SI & ~=d's => ?~PI and ?~DS beta: 1.345 0.981 1.136 <- betas not tested for equivalence stimulus @ level 2 on Bot d' : 1.068 0.718* 0.773 crit: 0.595 0.192** 0.253 SI => ~DS; and ?~PI beta: 1.068 0.887 0.902 <- 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' : 1.905 1.366** 1.718 crit: 1.043 0.145** 0.728 ~SI & ~=d's => ?~PI and ?~DS beta: 1.189 0.480 0.798 <- betas not tested for equivalence stimulus @ level 2 on Top d' : 1.214 1.270 1.252 crit: 0.086 0.095 0.091 PI and DS beta: 0.531 0.504 0.512 <- 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) ______________________________________________________________________