Psychometric properties of Adjustment Disorder New Model-20(ADNM-20)

Document Type : Original Article

Authors

1 department of clinical psychology, faculty of psychology and educational science, Shiraz university, Shiraz, Iran

2 Department of clinical psychology,Faculty of educational science and psychology,Shiraz university,Shiraz.Iran

3 Department of clinical psychology,faculty of educational science and psychology,Shiraz university,Shiraz,Iran

Abstract

 
Introduction:The adjustment disorder new model questionnaire is regarded as a self-report instrument which is utilized to evaluate the adjustment disorder. This research aims to adapt, introduce and examine the psychometric properties of this questionnaire in the Iranian population.
Method: The participants wereincluded150 (92 male and 58 female) Shiraz residents that selected purposefully. All of them filled 7 scales of: Life Satisfaction, Vitality, Hope, Post-traumatic Stress Disorder, Symptom Check, DASS and PSS scales. To substantiate the entire questionnaire reliability and the pertaining parameters, Cronbach’s alpha was used. To examine factorial structures of questionnaire the component correlation with total score was computed.
Results: Statistical evidence supportsthe appropriate validity and reliability of the questionnaire.Besides,the fitness indices were proportionate to the model. Components of adjustment disorder questionnaire show positive correlation with Post Traumatic Stress Disorder (PSTD), symptoms check, DASS and PSS scales. Negative correlation values evident for life satisfaction withhope, as well as,for vitality and component of adjustment disorder questionnaire.
Conclusion: The adjustment disorder new model questionnaire could bean appropriate instrument for individual symptom assessment, and clinical diagnosis and research in Iran.

Keywords

Main Subjects


1- Blashfield RK, Keeley JW, Flanagan EH, Miles SR. The Cycle of Classification: DSM-I Through DSM-5. Annual Review of Clinical Psychology. 2014; 10(1): 25-51.
2- Farber IJ. Transient Situational Personality Disorders. Journal of the National Medical Association. 1958; 50(5): 341-3.
3- American Psychiatric A, American Psychiatric A, Force DSMT. Diagnostic and statistical manual of mental disorders : DSM-5 2013 [Available from: http://dsm.psychiatryonline.org/book.aspx?bookid=556.
4- Glaesmer H, Romppel M, Brähler E, Hinz A, Maercker A. Adjustment disorder as proposed for ICD-11: Dimensionality and symptom differentiation. Psychiatry Research. 229(3): 940-8.
5- Paykel ES, Prusoff BA, Uhlenhuth EH. Scaling of life events. Arch Gen Psychiatry. 1971; 25(4): 340-7.
6- Maercker A, Einsle F, Köllner V. Adjustment disorders as stress response syndromes: a new diagnostic concept and its exploration in a medical sample. Psychopathology. 2007; 40(3): 135-46.
7- Looney JG, Gunderson EK. Transient situational disturbances: course and outcome. The American Journal of Psychiatry. 1978; 135(6): 660-3.
8- Reed GM, Correia JM, Esparza P, Saxena S, Maj M. The WPA-WHO global survey of psychiatrists’ attitudes towards mental disorders classification. World Psychiatry. 2011; 10(2): 118-31.
9- Akechi T, Okamura H, Nishiwaki Y, Uchitomi Y. Psychiatric disorders and associated and predictive factors in patients with unresectable nonsmall cell lung carcinoma: a longitudinal study. Cancer. 2001; 92(10): 2609-22.
10- Bruffaerts R, Sabbe M, Demyttenaere K. Effects of patient and health-system characteristics on community tenure of discharged psychiatric inpatients. Psychiatric services (Washington, DC). 2004; 55(6): 685-90.
11- Einsle F, Köllner V, Dannemann S, Maercker A. Development and validation of a self-report for the assessment of adjustment disorder. 2010; 584-95.
12- Lorenz L, Bachem RC, Maercker A. The Adjustment Disorder-New Module 20 as a screening instrument: Cluster analysis and cut-off values. The International Journal of Occupational and Environmental Medicine. 2016; 7: 215-20.
13- Einsle F, Koellner V, Dannemann S, Maercker A. Development and validation of a self-report for the assessment of adjustment disorders. Psychology, Health & Medicine. 2010; 15(5): 584-95.
14- Cohen S, Kamarck T, Mermelstein R. A Global Measure of Perceived Stress. Journal of health and social behavior. 1983; 24(4): 385-96.
15- Lovibond SH, Lovibond PF, Psychology Foundation of A. Manual for the depression anxiety stress scales. Sydney, N.S.W.: Psychology Foundation of Australia. 1995.
16- Antony MM, Bieling PJ, Cox BJ, Enns MW, Swinson RP. Psychometric properties of the 42-item and 21-item versions of the Depression Anxiety Stress Scales in clinical groups and a community sample. Psychological Assessment. 1998; 10(2): 176-81.
17- Diener E, Emmons RA, Larsen RJ, Griffin S. The Statistical With Life Scale. Journal of personality assessment. 1985; 49(1): 71-5.
18- Watson CG, Juba MP, Manifold V, Kucala T, Anderson PED. The PTSD interview: Rationale, description, reliability, and concurrent validity of a DSM-III-based technique. Journal of Clinical Psychology. 1991; 47(2): 179-88.
19- Snyder CR, Harris C, Anderson JR, Holleran SA, Irving LM, Sigmon ST, et al. The will and the ways: development and validation of an individual-differences measure of hope. Journal personality social psychology. 1991; 60(4): 570-85.
20- Kermani Z, KHodapanahi MK, Heidari M. psychometric properties of Snyder hope scale. Applied psychology. Fall 2011; 3(19): 7-23. [persion].
21- Ryan RM, Frederick CM. On energy, personality and health: Subjective vitality as a dynamic reflection of well-being. Journal of Personality. 1997; 65: 529-65.
22- Bartone PT. Predictors of stress-related illness in city bus drivers. Journal of occupational medicine : official publication of the Industrial Medical Association. 1989; 31(8): 657-63.
23- Norris RL, Maguen S, Litz BT, Adler AB, Britt TW. Physical Health Symptoms in Peacekeepers: Has the Role of Deployment Stress Been Overrated? Stress, Trauma, and Crisis. 2005; 8(4): 251-65.
24- Strain JJ, Smith GC, Hammer JS, McKenzie DP, Blumenfield M, Muskin P, et al. Adjustment disorder: A multisite study of its utilization and interventions in the consultation-liaison psychiatry setting. General Hospital Psychiatry. 1998; 20(3): 139-49.
25- Fabrega HJ, Mezzich J. Adjustment disorder as a marginal or transitional illness category in DSM-III. Archives of General Psychiatry. 1987; 44: 567-72.
26- Casey P, Dowrick C, Wilkinson G. Adjustment disorders: Faultline in the psychiatric glossary. British Journal of Psychiatry. 2001; 179: 479-81.