Table 3.

Standardized thresholds (difficulty parameter), posterior SD, 95% credibility interval, and significance (yes/no).

Face	Threshold	Posterior SD	95% credibility interval	Significance
F1	1.257	0.085	1.091 to 1.427	Yes
F2	1.881	0.120	1.661 to 2.133	Yes
F3	–0.249	0.063	–0.375 to –0.129	Yes
F4	–0.747	0.069	–0.879 to –0.609	Yes
F5	1.365	0.090	1.195 to 1.541	Yes
F6	–0.268	0.063	–0.390 to –0.144	Yes
F7	–0.047	0.063	–0.171 to 0.076	No
F8	1.638	0.102	1.438 to 1.844	Yes
F9	–0.115	0.063	–0.237 to 0.012	No
F10	1.121	0.079	0.965 to 1.278	Yes
F11	0.517	0.066	0.390 to 0.647	Yes
F12	0.692	0.069	0.555 to 0.830	Yes
F13	–0.378	0.064	–0.504 to –0.256	Yes
F14	–0.236	0.063	–0.358 to –0.112	Yes
F15	–0.390	0.064	–0.517 to –0.265	Yes
F16	–0.730	0.069	–0.864 to –0.596	Yes
F17	–0.131	0.063	–0.254 to –0.006	Yes
F18	1.323	0.087	1.153 to 1.497	Yes
F19	0.800	0.069	0.669 to 0.939	Yes
F20	–0.214	0.063	–0.338 to –0.090	Yes
F21	0.477	0.066	0.345 to 0.603	Yes
F22	0.535	0.065	0.406 to 0.661	Yes
F23	0.767	0.068	0.633 to 0.902	Yes
F24	0.043	0.061	–0.078 to 0.162	No
F25	–0.636	0.071	–0.778 to –0.494	Yes
F26	–0.208	0.065	–0.336 to –0.079	Yes
F27	0.150	0.062	0.026 to 0.269	Yes