[1. Ali, A.; Ramay, M.I.; Shahzad, M. (2011). Key factors for determining student satisfaction in distance learning courses: a study of Allama IQBAL Open University. In Turkish Online Journal of Distance Education, 12(2), (pp. 114-127).10.30935/cedtech/6047]Search in Google Scholar
[2. Angelaki, C.; Mavroidis, I. (2013). Communication and Social Presence: The Impact on Adult Learners’ Emotions in Distance Learning. In European Journal of Open, Distance and eLearning, 16(1), (pp. 78-93). http://www.eurodl.org/materials/contrib/2013/Angelaki_Mavroidis.pdf]Search in Google Scholar
[3. Arbaugh, J.B. (2000). Virtual classroom Characteristics and student satisfaction with internetbased MBA courses. In Journal of Management Education, 24, (pp.32-54).]Search in Google Scholar
[4. Asher, S.R.; Hymel, S.; Renshaw, P.D. (1984). Loneliness in children. In Child Development, 55, (pp. 1456-1464).10.2307/1130015]Search in Google Scholar
[5. Baumeister, R.F.; Campbell, J.D.; Krueger, J.I.; Vohs, K.D. (2003). Does high self-esteem cause better performance, interpersonal success, happiness, or healthier lifestyles? In Psychological Science in the Public Interest, 4, (pp. 1-44).]Search in Google Scholar
[6. Bayne, S. (2014). What’s the matter with ‘technology-enhanced learning? In Learning, Media and Technology, DOI: 10.1080/17439884.2014.91585110.1080/17439884.2014.915851]Search in Google Scholar
[7. Bayne, S.; Gallagher, M.S.; Lamb, J. (2014). Being ‘at’ university: the social topologies of distance Students. In Higher Education, 67, (pp. 569-583).10.1007/s10734-013-9662-4]Search in Google Scholar
[8. Bhagat, R.S.; Chassie, M.B. (1978). The role of self-esteem and locus of control in the differential prediction of performance, program satisfaction, and life satisfaction in an educational organization. In Journal of Vocational Behavior, 13, (pp. 317-326).10.1016/0001-8791(78)90058-1]Search in Google Scholar
[9. Bloom, S. L. (1997). Toward the Evolution of Sane Societies. New York: Routledge]Search in Google Scholar
[10. Bolognini, M.; Plancherel, B.; Bettschart, W.; Halfon, O. (1996). Self-esteem and mental health in early adolescence: Development and gender differences. In Journal of Adolescence, 19, (pp. 233 -245).10.1006/jado.1996.0022]Search in Google Scholar
[11. Branden, N. (1969). The psychology of self esteem: A new concept of man’s nature. Los Angeles: Nash Publishing.]Search in Google Scholar
[12. Branden, N. (2001). The psychology of self esteem: A revolutionary approach to self understanding that launched a new era in modern psychology. San Francisco: Jossey-Bass.]Search in Google Scholar
[13. Bryan, T. (1997). Assessing the personal and social status of students with learning disabilities. In Learning Disabilities Research & Practice, 12(1), (pp. 63-76).]Search in Google Scholar
[14. Byrne, B.M. (1984). The general/academic self concept nomological network: A review of construct validation research. In Review of Educational Research, 54, (pp. 427-456).10.3102/00346543054003427]Search in Google Scholar
[15. Cheng, H.; Furnham, G. (2002). Personality, peer relations, and self - confidence as predictors of happiness and loneliness. In Journal of Adolescence, 25, (pp. 327-339).10.1006/jado.2002.0475]Search in Google Scholar
[16. Clinton, M.; Anderson, L.R. (1999). Social and emotional loneliness: Gender differences and relationships with self-monitoring and perceived control. In Journal of Black Psychology, 25, (pp. 61-77).10.1177/0095798499025001005]Search in Google Scholar
[17. Cyr, D.; Hassanein, K.; Head, M.; Ivanov, A. (2007). The role of social presence in establishing loyalty in e-Service environments. In Interacting with Computers, 19, (pp. 43-56).10.1016/j.intcom.2006.07.010]Search in Google Scholar
[18. Dillon, C.L.; Gunawardena, C.N.; Parker, R. (1992). Learner support: critical link in distance education. In Distance Education, 13(1).10.1080/0158791920130104]Search in Google Scholar
[19. Earle, J. (1987). Female Dropouts: A New perspective. National Association of State Boards of Education, Alexandria. VA.]Search in Google Scholar
[20. Finn, J.D. (1989). Withdrawing from school. In Review of Educational Research, 59, (pp. 117-142).10.3102/00346543059002117]Search in Google Scholar
[21. Garrison, D.R.; Anderson, T.; Archer, W. (2000). Critical Inquiry in a text based environment: Computer conferencing in higher education. In The Internet & Higher Education, 2(2/3), (pp. 87-105).]Search in Google Scholar
[22. Garrison, D.R.; Arbaugh, J.B. (2007). Researching the community of inquiry framework: Review, issues & future directions. In The Internet & Higher Education, 10(3), (pp. 157-172).10.1016/j.iheduc.2007.04.001]Search in Google Scholar
[23. Garrison, D.R. (2011). E-learning in the 21st century: A framework for research and practice. (2nd ed.). London Routledge/Taylor and Francis.]Search in Google Scholar
[24. Giossos, I.; Mavroidis, I.; Koutsouba, M. (2008). Research in distance education: review and perspectives. In Open Education, 4(1), (pp. 49-60) (in Greek with English abstract).]Search in Google Scholar
[25. Griffiths, A.J.; Sharkey, J.D.; Furlong, M.J. (2009). Student Engagement and Positive School Adaptation. In R. Gilman, E.S. Huebner & M.J. Furlong (eds.), Handbook of Positive Psychology in the Schools, (pp. 197-211). New York: Routledge.]Search in Google Scholar
[26. Gunawardena, C.N.; Zittle, F. (1997). Social presence as a predictor of satisfaction within a computer mediated conferencing environment. In American Journal of Distance Education, 11(3), (pp. 8-25).10.1080/08923649709526970]Search in Google Scholar
[27. Gunawardena, C.N.; Nolla, A.C.; Wilson, P.L.; Lopez-Islas, J.R.; Ramirez-Angel, N.; Megchun-Alpizar, R.M. (2001). A Cross-Cultural Study of Group Process and Development in Online Conferences. In Distance Education, 22(1), (pp. 85-121).10.1080/0158791010220106]Search in Google Scholar
[28. Gunawardena, C.N.; McIsaac, M.S. (2004). Distance Education. In D.H. Jonassen (ed.), Handbook of research for educational communications & technology (2nd Edition), (pp. 355-395). London: Lawrence Erlbaum Associates.]Search in Google Scholar
[29. Harmon-Jones, E.; Simon, L.; Greenberg, J.; Pyszcynski, T.; Solomon, S.; McGregor, H. (1997). Terror management and self-esteem: Evidence that self-esteem reduces mortality salience effects. In Journal of Personality and Social psychology, 72, (pp. 24-26).10.1037/0022-3514.72.1.24]Search in Google Scholar
[30. Hatzigeorgiadou, S. (2007). Loneliness and Self-esteem in Primary School Children. Master’s dissertation. Aristotle University: Thessaloniki (in Greek with English abstract).]Search in Google Scholar
[31. Heatherton, T.F.; Polivy, J. (1991). Development and validation of a scale for measuring state self-esteem. In Journal of Personality and Social Psychology, 60, (pp. 895-910).10.1037/0022-3514.60.6.895]Search in Google Scholar
[32. Hirsch, B.J.; DuBois, D.L. (1991). Self-esteem in early adolescence: The identification and prediction of contrasting longitudinal trajectories. In Journal of Youth and Adolescence, 20, (pp. 53-72).10.1007/BF01537351]Search in Google Scholar
[33. Holmberg, B. (1995). Theory and practice of distance education. London: Routledge.]Search in Google Scholar
[34. Hrastinski, S. (2009). A theory of online learning as online participation. In Computers and Education, 52, (pp. 78-82).10.1016/j.compedu.2008.06.009]Search in Google Scholar
[35. Jacobs, J.E.; Lanza, S.; Osgood, W.; Eccles, S.J.; Wigfield, A. (2002). Changes in Children’s Self-Competence and Values: Gender and Domain Differences across Grades One through Twelve. In Child Development, 73(2), (pp. 509-527).10.1111/1467-8624.00421]Search in Google Scholar
[36. Keegan, D. (1986). The foundations of distance education. London Routledge.]Search in Google Scholar
[37. Kite, H. (1989). How to Prevent Dropouts. Orlando Press, Florida. ]Search in Google Scholar
[38. Kurtz, G.; Amichai-Hamburger, Y.; Kantor, J. (2009). Psychosocial well-being of Israeli students and attitudes toward open and distance learning. In The International Review of Research in Open and Distance Learning, 10(2).10.19173/irrodl.v10i2.593]Search in Google Scholar
[39. Lane, J.; Lane, A.M.; Kyprianou, A. (2004). Self-efficacy, self-esteem, and their impact on academic performance. In Social Behavior and Personality, 32, (pp. 247-256).10.2224/sbp.2004.32.3.247]Search in Google Scholar
[40. Lionarakis, A. (2005). Open & Distance Learning Universities in Europe. Two different educational considerations in search of identity. In Comparative & International Review of the Hellenic Organisation of Comparative Education, Vol. 5. ISSN 1109-8678. (in Greek)]Search in Google Scholar
[41. Maqsud, M. (1983). Relationships of locus of control to self-esteem, academic achievement, and prediction of performance among Nigerian secondary school pupils. In British Journal of Educational Psychology, 53, (pp. 215-221).10.1111/j.2044-8279.1983.tb02552.x]Search in Google Scholar
[42. Marsch, H.W. (1990). Causal ordering of academic self concept and academic achievement: A multiwave, longitudinal panel analysis. In Journal of Educational Psychology, 82, (pp. 646-656.)10.1037/0022-0663.82.4.646]Search in Google Scholar
[43. Maslow, A. (1971). The farther reaches of human nature. New York: The Viking Press.]Search in Google Scholar
[44. Neff, K. (2011). Self-compassion, self-esteem and well-being. In Social and Personality Psychology Compass, 5(1), (pp. 1-12).10.1111/j.1751-9004.2010.00330.x]Search in Google Scholar
[45. Neuman, W.L. (2003). Social Research Methods: Qualitative and quantitative methods approaches (5th Ed.). Boston: Allyn and Bacon.]Search in Google Scholar
[46. Pajares, F.; Valiante, G. (2001). Gender Differences in Writing Motivation and Achievement of Middle School Students: A Function of Gender Orientation? In Contemporary Educational Psychology, 26(3), (pp. 366-381).]Search in Google Scholar
[47. Peixoto, F.; Almeida, L.S. (2010). Self-concept, self-esteem and academic achievement: Strategies for maintaining self-esteem in students experiencing academic failure. In European Journal of Psychology of Education, 25, (pp. 157-175).10.1007/s10212-010-0011-z]Search in Google Scholar
[48. Pellas, N. (2014). The influence of computer self-efficacy, metacognitive self-regulation and self-esteem on student engagement in online learning programmes: Evidence from the virtual world of Second Life. In Computers in Human Behavior, 35, (pp. 157-170).10.1016/j.chb.2014.02.048]Search in Google Scholar
[49. Pullmann, H.; Allik, J. (2008). Relations of academic and general self-esteem to school achievement. Personality and Individual Differences, 45(6), (pp. 559-564).10.1016/j.paid.2008.06.017]Search in Google Scholar
[50. Richardson, C.J.; Swan, K. (2003). Examining social presence in online courses in relation to students’ perceived learning & satisfaction. In Journal of Asynchronous Learning Networks, 7(1), (pp. 68-88).]Search in Google Scholar
[51. Rosenberg, F.R.; Simmons, R.G. (1975). Sex differences in the self-concept in adolescence. In Sex roles, 1(2), (pp. 147-159).10.1007/BF00288008]Search in Google Scholar
[52. Rourke, L.; Kanouka, H. (2009). Learning in Communities of Inquiry: A Review of the Litterature. In Journal of Distance Education, 23(1), (pp. 19-48).]Search in Google Scholar
[53. Russel, D.W. (1996). The UCLA Loneliness Scale (Version 3): Reliability, validity and factorial structure. In Journal of Personality Assessment, 66, (pp. 20-40).10.1207/s15327752jpa6601_2]Search in Google Scholar
[54. Shin, N. (2003). Transactional Presence as a Critical Predictor of Success in Distance Learning. In Distance Education, 24(1), (pp. 69-86).10.1080/01587910303048]Search in Google Scholar
[55. Short, J.; Williams. E.; Christie, B. (1976). The social psychology of telecommunications. London: John Wiley and Sons. ]Search in Google Scholar
[56. Skaalvik, E. M. (1983). Academic achievement, self-esteem and valuing of the school: Some sex differences. In British Journal of Educational Psychology, 53, (pp. 299-306).10.1111/j.2044-8279.1983.tb02562.x]Search in Google Scholar
[57. So, H.J.; Brush, T.A. (2008). Student perceptions of collaborative learning, social presence & satisfaction in a blended learning environment: Relationships & critical factors. In Computers & Education, 51, (pp. 318-336).10.1016/j.compedu.2007.05.009]Search in Google Scholar
[58. Stake, R. (1995). The art of case study research. Thousand Oaks, CA: Sage]Search in Google Scholar
[59. Tajfel, H.; Turner, J.C. (1986). The social identity theory of inter-group behavior. In Worchel & L.W. Austin (Eds.), Psychology of inter-group relations. Chicago: Nelson -Hall.]Search in Google Scholar
[60. Tinto, V. (1993). Leaving college: rethinking the causes and cures of student attrition. Chicago: University of Chicago Press.]Search in Google Scholar
[61. Tu, C.-H. (2002). The measurement of social presence in an online learning environment. In International Journal on E-Learning, April-June, (pp. 34-45).]Search in Google Scholar
[62. Valås, H. (1999). Students with learning disabilities and low-achieving students: Peer acceptance, loneliness, self-esteem and depression. In Social Psychology of Education, 3, (pp. 173-192).10.1023/A:1009626828789]Search in Google Scholar
[63. von Prummer, C. (1990) Study motivation of distance students: a report on some results from a survey done at the FernUniversitat in 1897/88. In Research in Distance Education, 2(2), (pp. 2-6).]Search in Google Scholar
[64. Weinner, B. (2000). Intrapersonal and interpersonal theories of motivation from an attributional perspective. In Educational Psychology Review, 12, (pp. 1-14).10.1023/A:1009017532121]Search in Google Scholar
[65. Weiss, R.S. (1973). Loneliness. The experience of emotional and social isolation. Cambridge, MA: The MIT Press.]Search in Google Scholar
[66. Whiteman, J.A.M. (2002). Interpersonal Communication in Computer Mediated Learning. Opinion paper (ED 465 997).]Search in Google Scholar
[67. Workman, J.J.; Stenard, R.A. (1996). Student support services for distance learners, In DEOSNEWS, 6(3). Retrieved November 3, 2014 from the Distance Education Online Symposium Website: http://learningdesign.psu.edu/deos/deosnews6_3.pdf ]Search in Google Scholar
