Validation of the Traumatic Antecedents Questionnaire using item response theory.

ABSTRACT:

Background

Traumatic Antecedents Questionnaire (TAQ) is a traumatic experience scale that measures exposure to traumatic events across four age periods. Although the TAQ has good convergent validity with other traumatic scales, the classification of the domains and the psychometric properties of the scale has not been verified.

Methods

A total of 290 young adults completed the TAQ, and 156 participated in the retest. The number of trauma domains was determined using principal component analysis. Rasch model was used for verifying the items that each domain might represent in one common measurement.

Results

When scores were transformed as binary a code 0 and 1 from the original 4 categories, 8 domains were established consisting of Domestic violence, Sexual/other rare

SUBMITTER: Park K 

PROVIDER: S-EPMC7749547 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature