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. 2016 Nov 24;41(3):163–177. doi: 10.1177/0146621616677715

Table 8.

Multidimensional Nominal Category Estimates (a^jks) and Standard Errors for Example Items From TIMSS Math and Science Test: Science Items.

S042310
S022289
Category a1 a2 c a1 a2 c
0 −0.45 (.07) −0.61 (.15) −0.41 (.08) −1.09 (.16) −1.26 (.35) −0.47 (.20)
1 −0.19 (.06) 0.22 (.11) 0.08 (.06) 0.11 (.08) 0.17 (.20) 1.24 (.15)
2 0.64 (.06) 0.39 (.12) 0.34 (.06) 0.98 (.13) 1.09 (.31) −0.76 (.18)

Note. TIMSS = Trends in Mathematics and Science Study.