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. Author manuscript; available in PMC: 2016 Dec 1.
Published in final edited form as: Behav Res Methods. 2015 Dec;47(4):1095–1109. doi: 10.3758/s13428-014-0534-3

Table 1.

ART Results with Different Scoring Methods: Number of Items, Mean, Standard Deviation, Range

Scales N M SD Range
65 Author Scale Standard ART Score 1012 14.72 7.32 48.0
ART Name Score 1012 15.47 7.50 50.0
50 Author Scale Standard 50 ART Score 1012 13.75 6.81 44.0
50 ART Name Score 1012 14.49 6.88 46.0
50 IRTScore – 2 errors 1012 13.01 7.14 55.5