Validity and Reliability of Dsm-5 Level 2 İrritability Scale- Turkish Version

Objective:

This study aimed to assess the validity and reliability of DSM-5 level 2 irritability scale- Turkish version. This scale was developed to determine the severity of irritability among children and adolescents and has a 7-item parent form fi lled out by parents or the legal guardian for children 6-17 years of age and a 7-item self report form for adolescents between 11-17 years old.

Method:

DSM-5 Level 2 irritability scale was prepared by carrying out the translation and back-translation of the scale. Study groups consisted of a clinical sample diagnosed with bipolar disorder that were being treated in a child and adolescent psychiatry unit at the time of the study that was executed between May 2015- April 2016, along with a community sample. The study was carried out with 85 children between 11-17 years of age and 84 parents of children that were 11-17 years old. As for the assessment process, Young mania rating scale and Young mania rating scale, parent form were also administered along with DSM-5 level 2 irritability scale.

Results:

Regarding reliability analyses, Cronbach alpha internal consistency coeffi cient value for child from was 0.875, while 0.886, for parent form. Item- total score correlation coeffi cients were within medium and high ranges and were statistically signifi cant. For construct validity, one factor was obtained for each formi and was found consistent with the original structure of the scale. As for concurrent validity, child and parent forms of the scale had medium degrees of correlation with Young mania rating scale.

Discussion:

It was proven that theTurkish version of DSM-5 level 2 irritability scale could be used as a valid and reliable tool both for clinical practice and research purposes.