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Addicta: The Turkish Journal on Addictions
Pontes, Halley and Griffiths, M.D. (2016) The development and psychometric properties of the Internet Disorder Scale–Short Form (IDS9-SF). Addicta: The Turkish Journal on Addictions 3 (3), pp. 303-318. ISSN 2148-7286.
Griffiths, M.D. and Pontes, Halley and Kuss, D.J. (2016) Online addictions: conceptualizations, debates, and controversies. Addicta: The Turkish Journal on Addictions 3 (2), pp. 151-164. ISSN 2148-7286.
Addiction
Griffiths, M.D. and Rooij, A.J. and Kardefelt‐Winther, D. and Starcevic, V. and Király, O. and Pallesen, S. and Müller, K. and Dreier, M. and Carras, M. and Prause, N. and King, D.L. and Aboujaoude, E. and Kuss, D.J. and Pontes, Halley and Lopez Fernandez, O. and Nagygyorgy, K. and Achab, S. and Billieux, J. and Quandt, T. and Carbonell, X. and Ferguson, C.J. and Hoff, R.A. and Derevensky, J. and Haagsma, M.C. and Delfabbro, P. and Coulson, M. and Hussain, Z. and Demetrovics, Z. (2016) Working towards an international consensus on criteria for assessing internet gaming disorder: a critical commentary on Petry et al . (2014). Addiction 111 (1), pp. 167-175. ISSN 0965-2140.
Addictive Behaviors
Teng, Z. and Pontes, Halley and Nie, Q. and Xiang, G. and Griffiths, M.D. and Guo, C. (2020) Internet gaming disorder and psychosocial well-being: A longitudinal study of older-aged adolescents and emerging adults. Addictive Behaviors 110 , p. 106530. ISSN 0306-4603.
Pontes, Halley and Griffiths, M.D. (2020) A new era for gaming disorder research: time to shift from consensus to consistency. Addictive Behaviors 103 , p. 106059. ISSN 0306-4603.
Király, O. and Sleczka, P. and Pontes, Halley and Urbán, R. and Griffiths, M.D. and Demetrovics, Z. (2017) Validation of the Ten-Item Internet Gaming Disorder Test (IGDT-10) and evaluation of the nine DSM-5 Internet Gaming Disorder criteria. Addictive Behaviors 64 , pp. 253-260. ISSN 0306-4603.
Pontes, Halley and Griffiths, M.D. (2017) The development and psychometric evaluation of the Internet Disorder Scale (IDS-15). Addictive Behaviors 64 , pp. 261-268. ISSN 0306-4603.
Griffiths, M.D. and Kuss, D.J. and Billieux, J. and Pontes, Halley (2016) The evolution of Internet addiction: a global perspective. Addictive Behaviors 53 , pp. 193-195. ISSN 0306-4603.
Addictive Behaviors Reports
Pontes, Halley and Stavropoulos, V. and Griffiths, M.D. (2020) Emerging insights on internet gaming disorder: conceptual and measurement issues. Addictive Behaviors Reports 11 , p. 100242. ISSN 2352-8532.
Schivinski, Bruno and Brzozowska-Woś, M. and Buchanan, E.M. and Griffiths, M.D. and Pontes, Halley (2018) Psychometric assessment of the internet gaming disorder diagnostic criteria: an item response theory study. Addictive Behaviors Reports 8 , pp. 176-184. ISSN 2352-8532.
Pontes, Halley and Szabo, A. and Griffiths, M.D. (2015) The impact of Internet-based specific activities on the perceptions of Internet addiction, quality of life, and excessive usage: a cross-sectional study. Addictive Behaviors Reports 1 , pp. 19-25. ISSN 2352-8532.
Aloma: Revista de Psicologia, Ciencies de l'Educacio i de l'Esport
Pontes, Halley and Griffiths, M.D. and Martins Patrão, I. (2014) Internet Addiction and loneliness among children and adolescents in the education setting: an empirical pilot study. Aloma: Revista de Psicologia, Ciencies de l'Educacio i de l'Esport 32 (1), pp. 91-98. ISSN 1138-3194.
Aloma: Revista de Psicologia, Ciències de l'Educació i de l'Esport
Pontes, A.I. and Henn, M. and Griffiths, M.D. and Pontes, Halley (2017) Validation of the Online Political Engagement Scale in a British population survey. Aloma: Revista de Psicologia, Ciències de l'Educació i de l'Esport 35 (1), pp. 13-21. ISSN 1138-3194.
Asian Journal of Psychiatry
Chen, I-H. and Chang, Y.-L. and Yang, Y.-N. and Yeh, Y.-C. and Ahorsu, D.K. and Adjorlolo, S. and Strong, C. and Hsieh, Y.-P. and Huang, P.-C. and Pontes, Halley and Griffiths, M.D. and Lin, C.-Y. (2023) Psychometric properties and development of the Chinese versions of Gaming Disorder Test (GDT) and Gaming Disorder Scale for Adolescents (GADIS-A). Asian Journal of Psychiatry 86 , p. 103638. ISSN 1876-2018.
Chen, I.-H. and Chang, Y.-L. and Yang, Y.-N. and Yeh, Y.-C. and Ahorsu, D.K. and Adjorlolo, S. and Strong, C. and Hsieh, Y.-P. and Huang, P.-C. and Pontes, Halley and Griffiths, M.D. and Lin, C.-Y. (2023) Psychometric properties and development of the Chinese versions of Gaming Disorder Test (GDT) and Gaming Disorder Scale for Adolescents (GADIS-A). Asian Journal of Psychiatry 86 , p. 103638. ISSN 1876-2018.
Australian Clinical Psychologist
Griffiths, M.D. and Kuss, D. and Pontes, Halley (2016) A brief overview of Internet Gaming Disorder and its treatment. Australian Clinical Psychologist 2 (1), pp. 1-12. ISSN 2204-4981.
Computers in Human Behavior
Pontes, Halley and Caplan, S.E. and Griffiths, M.D. (2016) Psychometric validation of the Generalized Problematic Internet Use Scale 2 in a Portuguese sample. Computers in Human Behavior 63 , pp. 823-833. ISSN 0747-5632.
Fuster, H. and Carbonell, X. and Pontes, Halley and Griffiths, M.D. (2016) Spanish validation of the Internet Gaming Disorder-20 (IGD-20) Test. Computers in Human Behavior 56 , pp. 215-224. ISSN 0747-5632.
Pontes, Halley and Griffiths, M.D. (2015) Measuring DSM-5 internet gaming disorder: development and validation of a short psychometric scale. Computers in Human Behavior 45 , pp. 137-143. ISSN 0747-5632.
Current Opinion in Psychology
Kircaburun, K. and Pontes, Halley and Stavropoulos, V. and Griffiths, M.D. (2020) A brief psychological overview of disordered gaming. Current Opinion in Psychology 36 , pp. 38-43. ISSN 2352-250X.
Current Psychology
Li, L. and Mamun, M.A. and Al-Mamun, F. and Ullah, I. and Hosen, I. and Ahsan Zia, S. and Poorebrahim, A. and Pourgholami, M. and Lin, C.-Y. and Pontes, Halley and Griffiths, M.D. and Pakpour, A.H. (2023) A network analysis of the Internet Disorder Scale–Short Form (IDS9-SF): a large-scale cross-cultural study in Iran, Pakistan, and Bangladesh. Current Psychology 42 , pp. 21994-22003. ISSN 1046-1310.
CyberPsychology and Behaviour
Wood, R.T.A. and Griffiths, M.D. and Eatough, Virginia (2004) Online data collection from videogame players: methodological issues. CyberPsychology and Behaviour 7 (5), pp. 511-518.
Cyberpsychology, Behavior, and Social Networking
Lopez-Fernandez, O. and Griffiths, M.D. and Kuss, D.J. and Dawes, C. and Pontes, Halley and Justice, L. and Rumpf, H.-J. and Bischof, A. and Gässler, A.-K. and Suryani, E. and Männikkö, N. and Kääriänen, M. and Romo, L. and Morvan, Y. and Kern, L. and Graziani, P. and Rousseau, A. and Hormes, J.M. and Schimmenti, A. and Passanisi, A. and Demetrovics, Z. and Király, O. and Lelonek-Kuleta, B. and Chwaszcz, J. and Dufour, M. and Ponce Terashima, J. and Chóliz, M. and Zacarés, J.J. and Serra, E. and Rochat, L. and Zullino, D. and Achab, S. and Landrø, N.I. and Billieux, J. (2019) Cross-cultural validation of the Compulsive Internet Use Scale in four forms and eight languages. Cyberpsychology, Behavior, and Social Networking 22 (7), pp. 451-464. ISSN 2152-2715.
Pontes, Halley and Griffiths, M.D. (2016) Portuguese validation of the Internet Gaming Disorder Scale–Short-Form. Cyberpsychology, Behavior, and Social Networking 19 (4), pp. 288-293. ISSN 2152-2715.
Ortiz de Gortari, A.B. and Pontes, Halley and Griffiths, M.D. (2015) The Game Transfer Phenomena Scale: an instrument for investigating the nonvolitional effects of video game playing. Cyberpsychology, Behavior, and Social Networking 18 (10), pp. 588-594. ISSN 2152-2715.
European Psychiatry
Lopez-Fernandez, O. and Kuss, D. and Pontes, Halley and Griffiths, M.D. (2016) Video game addiction: providing evidence for Internet gaming disorder through a systematic review of clinical studies. In: 24th European Congress of Psychiatry, 12-15 March 2016, Madrid, Spain.
Frontiers in Psychiatry
Throuvala, M.A. and Pontes, Halley and Tsaousis, I. and Griffiths, M.D. and Rennoldson, M. and Kuss, D.J. (2021) Exploring the dimensions of smartphone distraction: development, validation, measurement invariance, and latent mean differences of the Smartphone Distraction Scale (SDS). Frontiers in Psychiatry 12 , ISSN 1664-0640.
Kuss, D.J. and Pontes, Halley and Griffiths, M.D. (2018) Neurobiological correlates in Internet Gaming Disorder: a systematic literature review. Frontiers in Psychiatry 9 (166), ISSN 1664-0640.
Kuss, D.J. and Pontes, Halley and Griffiths, M.D. (2018) Neurobiological correlates in Internet Gaming Disorder: a systematic literature review. In: Zhang, J. and Brand, M. (eds.) Neural Mechanisms Underlying Internet Gaming Disorder. Frontiers Media, pp. 18-29. ISBN 9782889456550.
International Journal of Environmental Research and Public Health
Lopez-Fernandez, O. and Romo, L. and Kern, L. and Rousseau, A. and Graziani, P. and Rochat, L. and Achab, S. and Zullino, D. and Inge Landrø, N. and Zacarés, J.J. and Serra, E. and Chóliz, M. and Pontes, Halley and Griffiths, M.D. and Kuss, D.J. (2022) Perceptions underlying addictive technology use patterns: insights for Cognitive-Behavioural Therapy. International Journal of Environmental Research and Public Health 19 (1), p. 544. ISSN 1660-4601.
Maldonado-Murciano, L. and Pontes, Halley and Griffiths, M.D. and Barrios, M. and Gómez-Benito, J. and Guilera, G. (2020) The Spanish Version of the Internet Gaming Disorder Scale-Short Form (IGDS9-SF): Further Examination Using Item Response Theory. International Journal of Environmental Research and Public Health 17 (19), p. 7111. ISSN 1660-4601.
Beranuy, M. and Machimbarrena, J.M. and Vega-Osés, M.A. and Carbonell, X. and Griffiths, M.D. and Pontes, Halley and González-Cabrera, J. (2020) Spanish validation of the Internet Gaming Disorder Scale–Short Form (IGDS9-SF): prevalence and relationship with online gambling and quality of life. International Journal of Environmental Research and Public Health 17 (5), p. 1562. ISSN 1660-4601.
Lopez-Fernandez, O. and Kuss, D.J. and Pontes, Halley and Griffiths, M.D. and Dawes, C. and Justice, L.V. and Männikkö, N. and Kääriäinen, M. and Rumpf, H.-J. and Bischof, A. and Gässler, A.-K. and Romo, L. and Kern, L. and Morvan, Y. and Rousseau, A. and Graziani, P. and Demetrovics, Z. and Király, O. and Schimmenti, A. and Passanisi, A. and Lelonek-Kuleta, B. and Chwaszcz, J. and Chóliz, M. and Zacarés, J.J. and Serra, E. and Dufour, M. and Rochat, L. and Zullino, D. and Achab, S. and Landrø, N.I. and Suryani, E. and Hormes, J.M. and Terashima, J.P. and Billieux, J. (2018) Measurement invariance of the short version of the Problematic Mobile Phone Use Questionnaire (PMPUQ-SV) across eight languages. International Journal of Environmental Research and Public Health 15 (6), p. 1213. ISSN 1660-4601.
International Journal of Mental Health and Addiction
Atroszko, P.A. and Charzyńska, E. and Buźniak, A. and Czerwiński, S.K. and Griffiths, M.D. and Jankowska, A. and Kamble, S. and Mizik, Z. and Pontes, Halley and Shane, J. and Sussman, S. and Woropay-Hordziejewicz, N.A. and Pallesen, S. (2023) Validity, Reliability, and Cross-Cultural Comparability of a Problematic Overstudying Scale across European, North American, and Asian countries. International Journal of Mental Health and Addiction , ISSN 1557-1874.
Atroszko, P.A. and Charzyńska, E. and Buźniak, A. and Czerwiński, S.K. and Griffiths, M.D. and Jankowska, A. and Kamble, S. and Mizik, Z. and Pontes, Halley and Shane, J. and Sussman, S. and Woropay-Hordziejewicz, N.A. and Pallesen, S. (2023) Validity, reliability, and cross-cultural comparability of a problematic overstudying scale across European, North American, and Asian countries. International Journal of Mental Health and Addiction , ISSN 1557-1874.
Griffiths, M.D. and Pontes, Halley (2020) The future of gaming disorder research and player protection: what role should the video gaming industry and researchers play? International Journal of Mental Health and Addiction 18 (3), pp. 784-790. ISSN 1557-1874.
Cook, R.H. and Griffiths, M.D. and Pontes, Halley (2020) Personality factors in exercise addiction: a pilot study exploring the role of narcissism, extraversion, and agreeableness. International Journal of Mental Health and Addiction 18 (1), pp. 89-102. ISSN 1557-1874.
O’Farrell, D.L. and Baynes, K.-L. and Pontes, Halley and Griffiths, M.D. and Stavropoulos, V. (2020) Depression and disordered gaming: does culture matter? International Journal of Mental Health and Addiction , ISSN 1557-1874.
Kovacsik, R. and Griffiths, M.D. and Pontes, Halley and Soós, I. and de la Vega, R. and Ruíz-Barquín, R. and Demetrovics, Z. and Szabo, A. (2019) The role of passion in exercise addiction, exercise volume, and exercise intensity in long-term exercisers. International Journal of Mental Health and Addiction 17 (6), pp. 1389-1400. ISSN 1557-1874.
Stavropoulos, V. and Dumble, E. and Cokorilo, S. and Griffiths, M.D. and Pontes, Halley (2019) The physical, emotional, and identity user-avatar association with disordered gaming: a pilot study. International Journal of Mental Health and Addiction , ISSN 1557-1874.
de Palo, V. and Monacis, L. and Sinatra, M. and Griffiths, M.D. and Pontes, Halley and Petro, M. and Miceli, S. (2019) Measurement invariance of the nine-item Internet Gaming Disorder Scale (IGDS9-SF) across Albania, USA, UK, and Italy. International Journal of Mental Health and Addiction 17 (4), pp. 935-946. ISSN 1557-1874.
Stavropoulos, V. and Beard, C. and Griffiths, M.D. and Buleigh, T. and Gomez, R. and Pontes, Halley (2018) Measurement invariance of the Internet Gaming Disorder Scale–Short-Form (IGDS9-SF) between Australia, the USA, and the UK. International Journal of Mental Health and Addiction 16 (2), pp. 377-392. ISSN 1557-1874.
Pontes, Halley and Andreassen, C.S. and Griffiths, M.D. (2016) Portuguese validation of the Bergen Facebook Addiction Scale: an empirical study. International Journal of Mental Health and Addiction 14 (6), pp. 1062-1073. ISSN 1557-1874.
Chappell, D. and Eatough, Virginia and Davies, M.N.O. and Griffiths, M.D. (2006) EverQuest - it's just a computer game right? an interpretative phenomenological analysis of online gaming addiction. International Journal of Mental Health and Addiction 4 (3), pp. 205-216. ISSN 1557-1874.
Journal of Addiction Research & Therapy
Griffiths, M.D. and Pontes, Halley (2014) Internet Addiction Disorder and Internet Gaming Disorder are not the same. [Editorial/Introduction]
Journal of Behavioral Addictions
Teng, Z. and Pontes, Halley and Nie, Q. and Griffiths, M.D. and Guo, C. (2021) Depression and anxiety symptoms associated with internet gaming disorder before and during the COVID-19 pandemic: a longitudinal study. Journal of Behavioral Addictions 10 (1), pp. 169-180. ISSN 2062-5871.
Rumpf, H.-J. and Achab, S. and Billieux, J. and Bowden-Jones, H. and Carragher, N. and Demetrovics, Z. and Higuchi, S. and King, D.L. and Mann, K. and Potenza, M. and Saunders, J.B. and Abbott, M. and Ambekar, A. and Aricak, O.T. and Assanangkornchai, S. and Bahar, N. and Borges, G. and Brand, M. and Chan, E.M.-L. and Chung, T. and Derevensky, J. and El Kashef, A. and Farrell, M. and Fineberg, N.A. and Gandin, C. and Gentile, D.A. and Griffiths, M.D. and Goudriaan, A.E. and Grall-Bronnec, M. and Hao, W. and Hodgins, D.C. and Ip, P. and Király, O. and Lee, H.K. and Kuss, D. and Lemmens, J.S. and Long, J. and Lopez-Fernandez, O. and Mihara, S. and Petry, N.M. and Pontes, Halley and Rahimi-Movaghar, A. and Rehbein, F. and Rehm, J. and Scafato, E. and Sharma, M. and Spritzer, D. and Stein, D.J. and Tam, P. and Weinstein, A. and Wittchen, H.-U. and Wölfling, K. and Zullino, D. and Poznyak, V. (2018) Including gaming disorder in the ICD-11: the need to do so from a clinical and public health perspective. Journal of Behavioral Addictions 7 (3), pp. 556-561. ISSN 2063-5303.
Lin, C.-Y. and Ganji, M. and Pontes, Halley and Imani, V. and Broström, A. and Griffiths, M.D. and Pakpour, A.H. (2018) Psychometric evaluation of the Persian Internet Disorder Scale among adolescents. Journal of Behavioral Addictions 7 (3), pp. 665-675. ISSN 2063-5303.
Pontes, Halley and Schivinski, Bruno and Brzozowska-Woś, M. and Griffiths, M.D. (2018) An empirical analysis of the nine Internet Gaming Disorder criteria. Journal of Behavioral Addictions 7 (1), p. 130. ISSN 2063-5303.
Saunders, J.B. and Hao, W. and Long, J. and King, D.L. and Mann, K. and Fauth-Bühler, M. and Rumpf, H.-J. and Bowden-Jones, H. and Rahimi-Movaghar, A. and Chung, T. and Chan, E. and Bahar, N. and Achab, S. and Lee, H.K. and Potenza, M. and Petry, N. and Spritzer, D. and Ambekar, A. and Derevensky, J. and Griffiths, M.D. and Pontes, Halley and Kuss, D. and Higuchi, S. and Mihara, S. and Assangangkornchai, S. and Sharma, M. and Kashef, A.E. and Ip, P. and Farrell, M. and Scafato, E. and Carragher, N. and Poznyak, V. (2017) Gaming disorder: its delineation as an important condition for diagnosis, management, and prevention. Journal of Behavioral Addictions 6 (3), pp. 271-279. ISSN 2062-5871.
Griffiths, M.D. and Kuss, D.J. and Lopez-Fernandez, O. and Pontes, Halley (2017) Problematic gaming exists and is an example of disordered gaming. Journal of Behavioral Addictions 6 (3), pp. 296-301. ISSN 2063-5303.
Kuss, D.J. and Griffiths, M.D. and Pontes, Halley (2017) Chaos and confusion in DSM-5 diagnosis of Internet Gaming Disorder: issues, concerns, and recommendations for clarity in the field. Journal of Behavioral Addictions 6 (2), pp. 103-109. ISSN 2063-5303.
Lopez-Fernandez, O. and Kuss, D.J. and Romo, L. and Morvan, Y. and Kern, L. and Graziani, P. and Rousseau, A. and Rumpf, H.-J. and Bischof, A. and Gässler, A.-K. and Schimmenti, A. and Passanisi, A. and Männikkö, N. and Kääriänen, M. and Demetrovics, Z. and Király, O. and Chóliz, M. and Zacarés, J.J. and Serra, E. and Griffiths, M.D. and Pontes, Halley and Lelonek-Kuleta, B. and Chwaszcz, J. and Zullino, D. and Rochat, L. and Achab, S. and Billieux, J. (2017) Self-reported dependence on mobile phones in young adults: A European cross-cultural empirical survey. Journal of Behavioral Addictions 6 (2), pp. 168-177. ISSN 2062-5871.
Pontes, Halley and Macur, M. and Griffiths, M.D. (2016) Internet Gaming Disorder among Slovenian primary schoolchildren: findings from a nationally representative sample of adolescents. Journal of Behavioral Addictions 5 (2), pp. 304-310. ISSN 2063-5303.
Dhuffar, M.K. and Pontes, Halley and Griffiths, M.D. (2015) The role of negative mood states and consequences of hypersexual behaviours in predicting hypersexuality among university students. Journal of Behavioral Addictions 4 (3), pp. 181-188. ISSN 2063-5303.
Pontes, Halley and Patrão, I.M. and Griffiths, M.D. (2014) Portuguese validation of the Internet Addiction Test: an empirical study. Journal of Behavioral Addictions 3 (2), pp. 107-114. ISSN 2063-5303.
Journal of Gambling Studies
Thurm, A. and Satel, J. and Montag, C. and Griffiths, M.D. and Pontes, Halley (2023) The relationship between Gambling Disorder, stressful life events, gambling-related cognitive distortions, difficulty in emotion regulation, and self-control. Journal of Gambling Studies 39 , pp. 87-101. ISSN 10505350.
Journal of Managerial Psychology
Karanika-Murray, M. and Duncan, N. and Pontes, Halley and Griffiths, M.D. (2015) Organizational identification, work engagement, and job satisfaction. Journal of Managerial Psychology 30 (8), pp. 1019-1033. ISSN 0268-3946.
Journal of Medical Internet Research
Poon, L.Y.J. and Tsang, H.W.H. and Chan, T.Y.J. and Man, S.W.T. and Ng, L.Y. and Wong, Y.L.E. and Lin, C.-Y. and Chien, C.-W. and Griffiths, M.D. and Pontes, Halley and Pakpour, A.H. (2021) Psychometric properties of the Internet Gaming Disorder Scale–Short-Form (IGDS9-SF): systematic review. Journal of Medical Internet Research 23 (10), e26821. ISSN 2291-9694.
PLoS One
Pontes, Halley and Zmavc, M. and Griffiths, M.D. and Selak, S. (2022) Psychometric properties of the Slovenian version of Internet Disorder Scale–IDS-15. PLoS One , ISSN 1932-6203.
Pontes, Halley and Király, O. and Demetrovics, Z. and Griffiths, M.D. (2014) The conceptualisation and measurement of DSM-5 Internet Gaming Disorder: the development of the IGD-20 Test. PLoS One 9 (10), e110137. ISSN 1932-6203.
Psychiatry Research
Pontes, Halley and Stavropoulos, V. and Griffiths, M.D. (2017) Measurement Invariance of the Internet Gaming Disorder Scale–Short-Form (IGDS9-SF) between the United States of America, India and the United Kingdom. Psychiatry Research 257 , pp. 472-478. ISSN 0165-1781.
Psychological and Social Implications Surrounding Internet and Gaming Addiction
Pontes, Halley and Griffiths, M.D. (2015) New concepts, old known issues: The DSM-5 and Internet Gaming Disorder and its assessment. In: Bishop, J. (ed.) Psychological and Social Implications Surrounding Internet and Gaming Addiction. IGI Global, pp. 16-30. ISBN 9781466685956.
Revista Argentina de Ciencias del Comportamiento
Pontes, Halley and Griffiths, M.D. (2015) Internet Gaming Disorder and its associated cognitions and cognitive-related impairments: a systematic review using PRISMA guidelines. Revista Argentina de Ciencias del Comportamiento 7 (3), pp. 102-118. ISSN 1852-4206.
Social Science & Medicine
Karanika-Murray, M. and Pontes, Halley and Griffiths, M.D. and Biron, C. (2015) Sickness presenteeism determines job satisfaction via affective-motivational states. Social Science & Medicine 139 , pp. 100-106. ISSN 0277-9536.