Corporate

53 and meta-regression," Psychol Med, vol. 37, no. 9, pp. 1217–1228, Sep. 2007, doi: 10.1017/S0033291707000062. [55] A. Barak, L. Hen, M. Boniel-Nissim, and N. Shapira, "A Comprehensive Review and a Meta-Analysis of the Effectiveness of Internet-Based Psychotherapeutic Interventions," Journal of Technology in Human Services, vol. 26, no. 2–4, pp. 109–160, Jul. 2008, doi: 10.1080/15228830802094429. [56] J. M. Cortina, "What is coefficient alpha? An examination of theory and applications," Journal of Applied Psychology, vol. 78, no. 1, pp. 98–104, 1993, doi: 10.1037/0021- 9010.78.1.98. [57] R. L. Spitzer, K. Kroenke, J. B. W. Williams, and B. Löwe, "A brief measure for assessing generalized anxiety disorder: the GAD-7," Arch Intern Med, vol. 166, no. 10, pp. 1092– 1097, May 2006, doi: 10.1001/archinte.166.10.1092. [58] S. R. Hasan, Z. Hamid, M. T. Jawaid, and R. K. Ali, "Anxiety among Doctors during COVID-19 Pandemic in Secondary and Tertiary Care Hospitals," Pak J Med Sci, vol. 36, no. 6, pp. 1360–1365, Oct. 2020, doi: 10.12669/pjms.36.6.3113. [59] B. Wild et al., "Assessing generalized anxiety disorder in elderly people using the GAD-7 and GAD-2 scales: results of a validation study," Am J Geriatr Psychiatry, vol. 22, no. 10, pp. 1029–1038, Oct. 2014, doi: 10.1016/j.jagp.2013.01.076. [60] N. Williams, "The GAD-7 Questionnaire," Occupational Medicine, vol. 64, no. 3, pp. 224– 224, 2014, doi: 10.1093/occmed/kqt161. [61] L. S. Radloff, "The CES-D Scale: A Self-Report Depression Scale for Research in the General Population," Applied Psychological Measurement, vol. 1, no. 3, pp. 385–401, Jun. 1977, doi: 10.1177/014662167700100306. [62] G. Vilagut, C. G. Forero, G. Barbaglia, and J. Alonso, "Screening for Depression in the General Population with the Center for Epidemiologic Studies Depression (CES-D): A Systematic Review with Meta-Analysis," PLOS ONE, vol. 11, no. 5, p. e0155431, May 2016, doi: 10.1371/journal.pone.0155431. [63] D. W. Russell, "UCLA Loneliness Scale (Version 3): reliability, validity, and factor structure," J Pers Assess, vol. 66, no. 1, pp. 20–40, Feb. 1996, doi: 10.1207/s15327752jpa6601_2. [64] M. Durak and E. Senol-Durak, "Psychometric Qualities of the UCLA Loneliness Scale- Version 3 as Applied in a Turkish Culture," Educational Gerontology, vol. 36, no. 10–11, pp. 988–1007, Sep. 2010, doi: 10.1080/03601271003756628. [65] S. Balandin, N. Berg, and A. Waller, "Assessing the loneliness of older people with cerebral palsy," Disability and Rehabilitation, vol. 28, no. 8, pp. 469–479, Jan. 2006, doi: 10.1080/09638280500211759. [66] R. N. Landers, K. N. Bauer, and R. C. Callan, "Gamification of task performance with leaderboards: A goal setting experiment," Computers in Human Behavior, vol. 71, pp. 508– 515, Jun. 2017, doi: 10.1016/j.chb.2015.08.008. [67] J. Hamari, J. Koivisto, and H. Sarsa, "Does Gamification Work? -- A Literature Review of Empirical Studies on Gamification," in 2014 47th Hawaii International Conference on System Sciences, Waikoloa, HI, Jan. 2014, pp. 3025–3034. doi: 10.1109/HICSS.2014.377. [68] M. B. Armstrong and R. N. Landers, "An Evaluation of Gamified Training: Using Narrative to Improve Reactions and Learning," Simulation & Gaming, vol. 48, no. 4, pp. 513–538, Aug. 2017, doi: 10.1177/1046878117703749.

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