Turkish Journal of Psychiatry

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The Validity aand Reliability of the Addiction Outcome Assessment Index (AOAI) Melike ŞİMŞEK, Mehmet DİNÇ, Kültegin ÖGEL 2021 32(2): 129-136
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Objective: The objective of this study was to develop a short scale that
assesses the progress and recovery in addiction treatment with respect to
all relevant areas, and to determine its validity and reliability.
Method: After scanning the literature and consulting the experts, a pool
of questions was. The pilot form was tested in 10 cases then a final
8-item scale was generated. Clinical sample of the study consisted of 307
alcohol/substance users who applied Turkish Green Crescent Outpatient
Counselling Center for psychosocial treatment between March 2016
and March 2017. Non-clinical sample of the study is composed by
102 randomly chosen participants without a history of psychiatric
disorder. The reliability of the Addiction Outcome Assessment Index
(AOAI) questions was determined by computing the Cronbach’s alpha
coefficient, and the factor structure analysis was determined by varimax
rotation. Analysis of the reliability of the change between sessions was
conducted via Reliable Change Index-(RCI).
Results: The Cronbach’s alpha coefficient for the total Outcome
Assessment Index (AOAI) was 0.80. Therapists’ total correlation
coefficient was 0.75. Explanatory Factor Analysis revealed 2 factors
which explains 43.96% of the total variance. The difference between
groups’ AOAI-Turkish (BASI) mean score was statistically significant.
Cut-off point was determined as 8.63. RCI was 3.5. AOAI’s first session
mean score was 14.92±5.63, the mean score decreased at the tenth
session to 9.4±4.71.
Conclusion: The results showed that AOAI is a valid and reliable
questionnaire that can be used to measure the progress of different
dimensions of alcohol and substance use.