Method of negative items

extra/model

Lie detection scale

Mahalanobois

Method of $l_z^p$

Model 1 (6 extra negative items)

10%

6.1%

9.8%

Model 2 (4 extra negative items)

9.8%

17.5%

13%

Model 3 (2 extra negative items)

20.7%

19.6%

23.2%