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. 2019 Mar 27;14(3):e0214446. doi: 10.1371/journal.pone.0214446

Table 6. Item response theory.

Coefficient 95% Confidence Interval
Q7 -0.43312 -1.24319 0.37694
Q5 -0.39633 -1.19219 0.39953
Q3 0.53147 -0.19116 1.25410
Q6 2.30739 1.10509 3.50969
Q8 3.58537 1.55727 5.61348
Q9 3.92072 1.67673 6.16471
Q2 4.92218 1.78876 8.05560
Q4 4.92218 1.71872 8.12565
Q1 5.59662 2.40019 8.79305
Discrim 0.74625 0.38963 1.10287