Table 2 Fit indices, discrimination (α_i), and localization (β_ik) parameters for AAQ-II items

Monotonicity

Scalability coefficient H_i

0.729 (0.011)

0.725 (0.010)

0.742 (0.009)

0.727 (0.011)

0.766 (0.008)

0.689 (0.012)

0.743 (0.009)

Fit Indices

S-Χ²

126.592

107.409

88.265

119.623

84.103

154.272

112.271

df

101

100

97

113

86

120

99

p-value

0.043

0.288

0.725

0.317

0.538

0.019

0.171

RMSEA S-X²

0.013

0.007

<0.001

0.006

<0.001

0.014

0.009

Parameters

α_i

2.845 (0.128)

2.957 (0.125)

3.206 (0.130)

2.878 (0.133)

4.096 (0.177)

2.516 (0.106)

3.357 (0.138)

β_i1

-0.851 (0.043)

-0.978 (0.045)

-1.207 (0.049)

-0.464 (0.039)

-0.886 (0.040)

-1.049 (0.049)

-1.024 (0.044)

β_i2

-0.096 (0.036)

-0.353 (0.037)

-0.585 (0.038)

0.173 (0.037)

-0.292 (0.034)

-0.426 (0.040)

-0.357 (0.036)

β_i3

0.258 (0.038)

0.024 (0.036)

-0.215 (0.035)

0.534 (0.040)

0.092 (0.034)

-0.055 (0.038)

0.006 (0.035)

β_i4

0.944 (0.047)

0.707 (0.041)

0.357 (0.037)

1.055 (0.050)

0.693 (0.039)

0.483 (0.041)

0.637 (0.039)

β_i5

1.522 (0.062)

1.289 (0.054)

0.913 (0.044)

1.487 (0.061)

1.216 (0.047)

0.993 (0.049)

1.186 (0.049)

β_i6

2.157 (0.086)

2.027 (0.078)

1.572 (0.060)

1.963 (0.077)

1.730 (0.062)

1.603 (0.066)

1.751 (0.065)