The Validity and Reliability of the Persian Version of Test of ‎Mobile Phone Dependency (TMD) ‎

  • MohammadReza Mohammadi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Seyyed Salman Alavi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Pegah Farokhzad Faculty of Psychology, Islamic Azad University of Roudehen branch, Tehran, Iran
  • Fereshteh Jannatifard Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Soroush Mohammadi Kalhori Young Researchers and Elite Club, Roudehen Branch, Islamic Azad University, Roudehen, Iran
  • Ghazal Sepahbodi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Mohammad Baba Reisi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Sanaz Sajedi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Mojtaba Farshchi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Rasul Khoda Karami Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Vahid Hatami Kasvaee Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Neda Sepasi Psychiatry and Psychology Research Center, Tehran University of Medical Sciences, Tehran, Iran
  • Samaneh Sadat Alavi Physiology Research Center, Kashan University of Medical Sciences, Kashan, Iran
Keywords: Validity, Reliability, Mobile Phone ‎Dependency, Student

Abstract

Objective:‎‏ ‏Despite the fact that ‎the mobile phone has become a ‎pervasive technology of our time, ‎little research has been done on ‎mobile dependency. A valid and ‎reliable assessment instrument ‎corresponding to the Persian ‎culture is essential. This study ‎aimed to describe the ‎construction and validation of the ‎Persian version of TMD (Test of ‎Mobile phone Dependency) to ‎assess the addictive use of ‎mobile phone.‎Methods: This was a cross-‎sectional study, for which data ‎were collected from 350 students ‎who were studying at Tehran ‎universities. Sampling method ‎was quota sampling. The ‎participants anonymously ‎completed the demographic ‎questionnaire, and CPDQ as a ‎valid questionnaire and gold ‎standard. Finally, clinical ‎interview [based on DSM-IV-TR] ‎was performed. To analyze the ‎data, concurrent validity, factor ‎analysis, internal consistency ‎‎(Cronbachα), split half; test-retest ‎and ROC Curve by SPSS18 ‎Software were used.‎Results: As a result of the ‎reliability analysis and factor ‎analysis by principal component ‎and Varimax rotation, three ‎factors (“salient”, “preoccupation” ‎and “Spend a lot of time and ‎money”) for both male and ‎female participants were ‎extracted. Internal consistency ‎‎(Cronbach's alpha) of the CPDQ ‎was .92 (Cronbach alpha of the ‎factors is .88, .82, and .84, ‎respectively). The test-retest ‎correlation of the TMD was ‎‎.56.The best cut off point for this ‎questionnaire (TMD) is 38.‎Conclusion: The TMD proved to ‎have an acceptable internal ‎consistency with adequate factor ‎models to assess the extent of ‎problems caused by the "misuse" ‎of the mobile phone in the ‎Iranian society. Therefore, it can ‎be concluded that the Persian ‎version of the test was reliable ‎and valid; however, further ‎analysis is needed.‎

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Published
2016-02-06
How to Cite
1.
Mohammadi M, Alavi SS, Farokhzad P, Jannatifard F, Mohammadi Kalhori S, Sepahbodi G, Baba Reisi M, Sajedi S, Farshchi M, Khoda Karami R, Hatami Kasvaee V, Sepasi N, Alavi SS. The Validity and Reliability of the Persian Version of Test of ‎Mobile Phone Dependency (TMD) ‎. ijps. 10(4):265-72.
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Original Article(s)