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. Author manuscript; available in PMC: 2015 Oct 24.
Published in final edited form as: Int J Educ Psychol Assess. 2012 Apr;10(1):51–70.

Table 2.

SNAP-IV Factor Loading

SNAP-IV Question # Factor 1 Factor 2
1 Difficulty attending to detail .840 .226
2 Difficulty sustaining attention .862 .347
3 Does not listen .805 .340
4 Does not follow through on instructions .891 .225
5 Difficulty organizing tasks .910 .203
6 Avoids sustained mental effort .874 .234
7 Loses things .820 .304
8 Distracted .789 .441
9 Forgetful .884 .248
10 Fidgets or squirms .520 .658
11 Leaves seat .425 .737
12 Runs about or climbs .265 .731
13 Difficulty playing quietly .398 .736
14 On the go or driven by a motor .228 .843
15 Talks excessively .263 .797
16 Blurts out answers to questions .179 .866
17 Difficulty awaiting turn .202 .899
18 Interrupts or intrudes .205 .887
% of Variance Accounted for by Factor 41.52 36.26