Koydemir, S., Şimşek, Ö.F., Bayram-Kuzgun, T., & Schütz, A. (in press). Feeling special, feeling unique: Authenticity mediates the relationship between sense of uniqueness and happiness. Current Psychology, DOI: 10.1007/s12144-018-9865-z

Sahin, I., Koydemir, S., Durhan, S., Ogan. S., Gozukara, C., & Cokluk, G. (2018). Changing high school students’ attitudes towards Mathematics in a summer camp: Happiness matters. Educational Sciences: Theory and Practice. DOI: 10.12738/estp.2017.5.0373

Koydemir, S., Sun-Selışık, E. (2016). Well-being on campus: A pilot study to test the effectiveness of an online strengths-based intervention for first year college students. British Journal of Guidance and Counselling, 44, 434-446.

Yücel, D., & Koydemir, S. (2015). Predictors of marital satisfaction in North Cyprus: Exploring the gender effects. Journal of Family Issues, 21, 120-143.

Ekici, T., & Koydemir, S. (2014). Income expectations and happiness: Evidence from British panel data. Applied Research in Quality of Life, 2, 539-552.

Koydemir, S., Şimşek, Ö.F., & Demir, M. (2014). Pathways from personality to happiness: Sense of uniqueness as a mediator. Journal of Humanistic Psychology, 54, 314-355.  

Koydemir, S., & Schütz, A. (2014). Life satisfaction among Turkish migrants in Germany: Role of cultural identity and self-construals (in Turkish). Turkish Psychological Counseling and Guidance Journal, 5, 208-220.

Ekici, T., & Koydemir, S. (2014). Social capital, government and democracy satisfaction, and happiness in Turkey: A comparison of surveys in 1999 and 2008. Social Indicators Research, 118, 1034-1053

Greiner, A., Langer, S., Koydemir, S., & Schütz, A. (2013). Evaluation of a stress management training program for adults with ADHD—a pilot study. Journal of Cognitive Psychotherapy, 27, 96-110.

Koydemir, S. (2012). Acculturation and subjective well-being: Evidence from Turkish ethnic youth in Germany. Journal of Youth Studies, 16, 460-473.

Şimşek, O. F., & Koydemir, S. (2012). Linking metatraits of the Big Five to well- and ill-being: Do basic psychological needs matter? Social Indicators Research, 112, 221-238.

Koydemir, S., Şimşek, O. F., Schütz, A., & Taapanjian, A. (2012). Differences in how emotional intelligence predicts life satisfaction: The role of affect balance versus social support in India and Germany. Journal of Happiness Studies, 14, 51-66.

Koydemir, S., & Schütz, A. (2012). Emotional intelligence predicts components of subjective well-being beyond personality: A two-country study using self- and informant reports. The Journal of Positive Psychology, 7, 107-118.

Şimsek, O. F., Koydemir, S., & Schütz, A. (2012). A multigroup multitrait-multimethod study in two countries supports the validity of a two-factor higher order model of personality. Journal of Research in Personality, 46, 442-449.

Essau, C.A., Leung P., Koydemir, S., Sasagawa S. O’Callaghan J., & Bray D., (2011). The impact of self-construals and social norms on social anxiety in young adults: A cross-cultural comparison. International Journal of Culture and Mental Health, 4, 1-12.

Koydemir, S., & Tosunoglu, C. (2011). Book Review: Woman engineers in Turkey: Gender, technology, education, and professional life by Berna Zengin. International Journal of Gender, Science, and Technology, 3, 343-349.

Koydemir, S., Erel, O., Yumurtacı, D., & Şahin. G. N. (2010). Psychological help-seeking attitudes and barriers to help-seeking among Turkish university students. International Journal for the Advancement of Counselling, 32, 274-289.

Koydemir, S., & Tosun, U. (2010). A qualitative approach to understanding Turkish mothers of children with autism: Implications for counselling. Australian Journal of Guidance and Counselling, 20, 55-68.

Koydemir, S. (2010). Self-aspects, perceived social support, gender and willingness to seek psychological help. International Journal of Mental Health, 39, 44-60.

Koydemir, S., & Demir, A. (2009). Relationship between perceived parenting styles and shyness among Turkish youth: Fear of negative evaluation and self-esteem as mediators. Current Psychology, 28(3), 169-180.

Koydemir, S., & Demir, A. (2008). Shyness and cognitions: An examination of Turkish university students. The Journal of Psychology, 142(1), 633-644.

Koydemir, S., Sun-Selışık, Z. E., & Tezer, E. (2008). Conflict behaviors and marital adjustment in Turkish couples. Family Therapy, 35, 133-142.

Koydemir, S., & Demir, A. (2007). Psychometric properties of the brief version of the Fear of Negative Evaluation Scale in a Turkish sample. Psychological Reports, 100, 883-893.

Koydemir, S, Sun-Selışık, Z. E., & Tezer, E. (2005). The relationship between marital adjustment and perfectionism (in Turkish). Turkish Psychological Counseling and Guidance Journal, 43, 65-75. 


Koydemir, S., & Bulgan, G. (2017). Mutluluk 2.0: Iyi yasama dair bilmedikleriniz [Happiness 2.0]. Elma Publishing.

Demir, A., & Koydemir, S. (Eds.) (2010). Grupla psikolojik danışma [Group counselling]. Ankara: Pegem Publishers.


Schütz, A., Schall, M., & Koydemir, S. Optimism. (in press). In Encyclopedia of Personality and Individual Differences, (Eds.) Virgil Zeigler-Hill & Todd Shackelford. Springer.

Koydemir, S., & Essau, C. (in press) Cross-cultural influences on anxiety and anxiety disorders in young people.  In Understanding diversity and individual differences and intervention for child and adolescent mental health, (Eds.) Matthew Hodes, Susan Gau, & Petrud de Vries.2018 IACAPAP Monograph.

Schütz, A., & Koydemir, S. (in press). Emotional Intelligence: What it is, how it can be measured and increased, whether it makes us successful and happy. To appear in Zeigler-Hill, V., & Shackelford, T. K. The SAGE Handbook of Personality and Individual Differences: Volume 3, Applications of personality and individual differences. London: SAGE.

Koydemir. S., & Essau. C.A. (2017). Cultural and social aspects of emotion regulation. In Emotion regulation and psychopathology in children and adolescents. (pp. 60-78) Oxford: Oxford University Press.

Koydemir, S., & Essau, C. A. (2016). Cross-cultural research. In R. Cautin & S. Lilienfeld (Eds.) Encyclopedia of Clinical Psychology. Wiley & Sons.

Koydemir, S. K., Bray, D., & Essau, C. A.  (2012). Domestic violence in the UK. In, A. Browne Miller (Ed.), Violence and abuse in society: Across time and nations. Vol: 4. (pp. 323-334). New York: Praeger-Greenwood Publishing Group. 

Koydemir, S. (2010). Nature and structure of groups (in Turkish). In A. Demir & S. Koydemir, Group Counseling.  (pp. 1-24) Ankara: Pegem Publishers.

Koydemir, S. (2010). Transition stage in counseling groups (in Turkish). In A. Demir & S. Koydemir, Group Counseling. (pp. 123-142) Ankara: Pegem Publishers.

Koydemir, S. (2010). Working stage of counseling groups (in Turkish). In A. Demir & S. Koydemir, Group Counseling.  (pp. 143-162) Ankara: Pegem Publishers.

Koydemir, S. (2010). Counselor skills in counseling groups (in Turkish). In A. Demir & S. Koydemir, Group Counseling. (pp. 225-250) Ankara: Pegem Publishers.

Güneri, O., Büyükgöze-Kavas, A., & Koydemir, S. (2007). Career development of school counselors: A tough road from apprentice to professional (in Turkish). In R. Özyurek, F. Korkut-Owen, ve D. W. Owen. Developing Counseling (pp.139-160). Nobel Publications.


Gibson, R. L. & Mitchell, M. H. (2016). Introduction to guidance and counseling  [Psikolojik danışma ve rehberlik] (S. Doğan, (Ed.), D. Y. Kağnıcı, S. Koydemir & Ö. Özü Cengiz). Ankara: Nobel.


Sun-Selışık, E., Koydemir, S., Ceylan, E. H., & Demiray, D., & Schütz, A. (June 2018). Increasing emotional competence: An evaluation of an ability-based training program in a collectivist context. Paper accepted to be presented at the 9th European Conference on Positive Psychology, Budapest, Hungary.

Mısır, S., Mercan, M. N., & Koydemir, S. (June 2018). More tweets more wellbeing? A one-week microblogging intervention study. Poster accepted to be presented at 9th European Conference on Positive Psychology, Budapest, Hungary.

Mısır, S., Koydemir, S., & Durhan, D. (July 2016). Unraveling the relationship between religion and happiness: A cross-cultural study.  8th European Positive Psychology Conference, Angers, France.

Koydemir, S. & Kahraman, H. (October 2015). Happiness on campus: The effects of an undergraduate wellbeing course on the wellbeing of students. 13th National Congress of Counseling and Guidance, Mersin, Turkey.

Koydemir, S., & Sun-Selışık, E. Z. (July 2014). Well-being on campus: Development and implementation of an online well-being intervention program for first year university students. 7th European Positive Psychology Conference, Amsterdam.

Koydemir, S., & Mısır, S. (September 2013). Independent self-construal and emotional expression facilitates happiness (in Turkish) 12th National Psychological Counseling and Guidance Congress, Istanbul.

Şahin, D., & Koydemir, S. (September 2013). Development of a peer helping program and testing its effectiveness. 12th National Psychological Counseling and Guidance Congress, Istanbul.

Koydemir, S., Schütz, A., & Mısır, S. (July 2013). Happy and satisfied: Basic psychological needs, the Big Five and well-being. 13th European Congress of Psychology, Stockholm.

Sun-Selışık, Z. E., Yerin-Güneri, O., & Koydemir, S. (2012). A qualitative investigation of college adjustment process of English Preparatory School students in Northern Cyprus. Proceedings of EDULEARN12 Conference, 3461-3470.

Şahin, D., & Koydemir, S. (March, 2012). Peer helping training program (in Turkish). 9th Best Practices in Education Conference, Sabancı University, Istanbul.

Koydemir, S., Yumurtacı, D., Şahin, G. N., & Erel, Ö. (October 2011). What doesn’t kill me makes me stronger: Development stages of doctoral students, challenges, and gains (in Turkish). 11th National Psychological Counseling and Guidance Congress, Izmir, Turkey.

Koydemir, S., & Schütz, A. (July 2011). Personality dimensions and subjective well-being in Germany and Turkey: Agreement between self-report and informant reports. The 12th European Congress of Psychology, Istanbul.

Koydemir, S., & Yumurtacı, D. (July 2011). Mental well-being of graduate students. The 12th European Congress of Psychology, Istanbul.

Aydın-Özdemir, A., Leyendecker, B., Koydemir, S., & Kaymak-Özgür, Y. A. (July 2011).  Qualitative study of conflicts and difficulties experienced by Turkish immigrant mothers with their adolescents in Germany. The 12th European Congress of Psychology, Istanbul.

Koydemir, S., & Erel, Ö. (2010). Psychological help-seeking: role of socio-demographic variables, previous help-seeking experience and presence of a problem. Procedia Social and Behavioral Sciences, 5, 688-693.

Koydemir, S., & Yumurtacı, D. (July 2010,). Role of self-construals on coping with stressors and willingness to seek help for mental health among Turkish youth. 5th International Conference on Child and Adolescent Psychopathology, London, UK.

Koydemir, S., Diker-Coşkun, Y., Yumurtacı, D., Erel, O., & Şahin, G. (September 2009). Counseling needs of university students (in Turkish) 10th National Psychological Counseling and Guidance Congress, Adana, Turkey.

Koydemir, S. (September 2009). Graduate education in Turkey: Needs of students and evaluation of services. 4th International IPED Conference, Coventry, UK.

Koydemir, S., & Tosun, Ü. (2009). Impact of autistic children on the lives of mothers. Procedia Social and Behavioral Sciences, 1, 2534-2540.

Koydemir, S., & Adman-Akay, T. (September 2009). Development and effects of a peer counselling program on the self-esteem, communication and social skills of university students. 2nd ENSEC Conference: European Network for Social and Emotional Competence, İzmir, Turkey.

Tosun, Ü., & Koydemir, S. (June 2008). A qualitative inquiry into the experiences of Turkish mothers with mentally retarded children. 2nd International Conference on Special Education, Mugla, Turkey.

Sun-Selışık, E., Koydemir, S., & Tezer, E. (April 2008). Conflict behaviors and marital adjustment in Turkish couples. International Congress on Counseling, Istanbul, Turkey.

Büyükgöze-Kavas, A., Yerin-Güneri, O., & Koydemir, S. (September 2007). Career development of Turkish school counselors: A qualitative investigation. International Association for Educational and Vocational Guidance Sypmosium, Padova, Italy.

Koydemir, S., & Demir, A. (October 2007). The role of parental attitudes on social-evaluative anxiety (in Turkish) 9th National Psychological Counseling and Guidance Congress, Izmir, Turkey.

Koydemir, S., & Demir, A. (October 2007). Cognitive factors in shyness (in Turkish). 9th National Psychological Counseling and Guidance Congress, Izmir, Turkey.

Koydemir, S. (June 2006). Association of relational, individual, and collective self-aspects with social anxiety among Turkish university students. 4th International Conference on the Dialogical Self, Braga, Portugal.

Sun-Selışık, Z. E., Koydemir, S, & Tezer, E. (June 2005). Relationship between dyadic adjustment and dimensions of perfectionism in Turkish married couples. The International Conference on Family Therapy, Washington DC, USA.

Koydemir, S. (May 2006). Parenting styles and social anxiety in adolescence. European Association for Research in Adolescence 10th Conference, Antalya, Turkey.

Koydemir, S., Mallott, M., Sun-Selışık, Z. E., & Schmidt, N. B. (November 2005). A cross-cultural comparison of social anxiety and shyness in the United States and Turkey. Association for Behavioral and Cognitive Therapies Annual Convention, Washington DC, USA.

Demir, A. & Koydemir, S. (September 2005). Help-seeking behaviors of METU students. 8th National Psychological Counseling and Guidance Congress, Istanbul.

Demir, A., & Koydemir, S. (September 2005). Opinions of faculty of the counseling centers n universities. 8th National Psychological Counseling and Guidance Congress, Istanbul.