Gratitude and health: An updated review

References

• Algoe, S. B. (2012). Find, remind, and bind: The functions of gratitude in everyday relationships. Social and Personality Psychology Compass , 6(6), 455–469.
   Google Scholar
• Algoe, S. B. , & Zhaoyang, R. (2016). Positive psychology in context: Effects of expressing gratitude in ongoing relationships depend on perceptions of enactor responsiveness. The Journal of Positive Psychology , 11(4), 399–415.
   PubMed Web of Science ®Google Scholar
• Al-Seheel, A. Y. , & Noor, N. M. (2016). Effects of an Islamic-based gratitude strategy on Muslim students’ level of happiness. Mental Health, Religion & Culture , 19(7), 686–703.
   Web of Science ®Google Scholar
• Bartlett, M. Y. , & DeSteno, D. (2006). Gratitude and prosocial behavior helping when it costs you. Psychological Science , 17(4), 319–325.
   PubMed Web of Science ®Google Scholar
• Baxter, H. J. , Johnson, M. H. , & Bean, D. (2012). Efficacy of a character strengths and gratitude intervention for people with chronic back pain. Australian Journal of Rehabilitation Counselling , 18(2), 135–147.
   Google Scholar
• Caleon, I. S. , King, R. B. , Tan, J. P.-L. , Low, M. , Tan, C. S. , & Liem, G. A. (2017). Nurturing grateful and connected twenty-first century learners: Development and evaluation of a socially oriented gratitude intervention. Asia Pacific Journal of Education , 37(4), 567–581.
   Web of Science ®Google Scholar
• Carson, J. , Muir, M. , Clark, S. , Wakely, E. , & Chander, A. (2010). Piloting a gratitude intervention in a community mental health team. Groupwork: an Interdisciplinary Journal for Working with Groups , 20(3), 73–87.
   Google Scholar
• Chan, D. W. (2011). Burnout and life satisfaction: does gratitude intervention make a difference among Chinese school teachers in Hong Kong? Educational Psychology , 31(7), 809–823.
   Web of Science ®Google Scholar
• Chen, L. H. , Chen, M. Y. , Kee, Y. H. , & Tsai, Y. M. (2009). Validation of the Gratitude Questionnaire (GQ-6) in Taiwanese Undergraduate Students. Journal of Happiness Studies , 10(6), 655–664.
   Web of Science ®Google Scholar
• Cheng, S.-T. , Tsui, P. K. , & Lam, J. H. M. (2015). Improving mental health in health care practitioners: Randomized controlled trial of a gratitude intervention. Journal of Consulting and Clinical Psychology , 83(1), 177–186.
   PubMed Web of Science ®Google Scholar
• Cho, Y. , & Fast, N. J. (2012). Power, defensive denigration, and the assuaging effect of gratitude expression. Journal of Experimental Social Psychology , 48(3), 778–782.
   Web of Science ®Google Scholar
• Chow, C. K. , Jolly, S. , Rao-Melacini, P. , Fox, K. A. , Anand, S. S. , & Yusuf, S. (2010). Association of diet, exercise, and smoking modification with risk of early cardiovascular events after acute coronary syndromes. Circulation , 121(6), 750–758.
   PubMed Web of Science ®Google Scholar
• Clore, G. L. , Ortony, A. , & Foss, M. A. (1987). The psychological foundations of the affective lexicon. Journal of Personality and Social Psychology , 53(4), 751.
   Web of Science ®Google Scholar
• Converse, B. A. , & Fishbach, A. (2012). Instrumentality boosts appreciation: Helpers are more appreciated while they are useful. Psychological Science , 23(6), 560–566.
   PubMed Web of Science ®Google Scholar
• Cuijpers, P. , Donker, T. , van Straten, A. , Li, J. , & Andersson, G. (2010). Is guided self-help as effective as face-to-face psychotherapy for depression and anxiety disorders? A systematic review and meta-analysis of comparative outcome studies. Psychological Medicine , 40(12), 1943–1957.
   PubMed Web of Science ®Google Scholar
• Davis, D. E. , Choe, E. , Meyers, J. , Wade, N. , Varjas, K. , Gifford, A. , … Worthington, E. L., Jr. (2016). Thankful for the Little things: A meta-analysis of gratitude interventions. Journal of Counseling Psychology , 63(1), 20–31.
   PubMed Web of Science ®Google Scholar
• Deng, Y. , Xiang, R. , Zhu, Y. , Li, Y. , Yu, S. , & Liu, X. (2018). Counting blessings and sharing gratitude in a chinese prisoner sample: Effects of gratitude-based interventions on subjective well-being and aggression. The Journal of Positive Psychology . doi:10.1080/17439760.2018.1460687
   Web of Science ®Google Scholar
• DeWall, C. N. , Lambert, N. M. , Pond, R. S., Jr. , Kashdan, T. B. , & Fincham, F. D. (2012). A grateful heart is a nonviolent heart: Cross-sectional, experience sampling, longitudinal, and experimental evidence. Social Psychological and Personality Science , 3(2), 232–240.
   Web of Science ®Google Scholar
• Dickens, L. R. (2017). Using gratitude to promote positive change: A series of meta-analyses investigating the effectiveness of gratitude interventions. Basic and Applied Social Psychology , 39(4), 193–208. doi:10.1080/01973533.2017.1323638
   Web of Science ®Google Scholar
• Diebel, T. , Woodcock, C. , Cooper, C. , & Brignell, C. (2016). Establishing the effectiveness of a gratitude diary intervention on children’s sense of school belonging. Educational and Child Psychology , 33(2), 117–129.
   Google Scholar
• Diener, E. (2000). Subjective well-being: The science of happiness and a proposal for a national index. American Psychologist , 55(1), 34.
   PubMed Web of Science ®Google Scholar
• Diener, E. , & Chan, M. Y. (2011). Happy people live longer: Subjective well‐being contributes to health and longevity. Applied Psychology: Health and Well-Being , 3(1), 1–43.
   Web of Science ®Google Scholar
• Digdon, N. , & Koble, A. (2011). Effects of constructive worry, imagery distraction, and gratitude interventions on sleep quality: A pilot trial. Applied Psychology: Health and Well‐Being , 3(2), 193–206.
   Web of Science ®Google Scholar
• Disabato, D. J. , Kashdan, T. B. , Short, J. L. , & Jarden, A. (2017). What predicts positive life events that influence the course of depression? A longitudinal examination of gratitude and meaning in life. Cognitive Therapy and Research . doi:10.1007/s10608-016-9785-x
   Web of Science ®Google Scholar
• Duckworth, A. L. , Peterson, C. , Matthews, M. D. , & Kelly, D. R. (2007). Grit: perseverance and passion for long-term goals. Journal of Personality and Social Psychology , 92(6), 1087.
   PubMed Web of Science ®Google Scholar
• Emmons, R. A. , & Mishra, A. (2011). Why gratitude enhances well-being: What we know, what we need to know. In K. M. Sheldon , T. B. Kashdan , & M. F. Steger (Eds.), Designing positive psychology: Taking stock and moving forward (pp. 248–262). Oxford: Oxford University Press.
   Google Scholar
• Fagley, N. S. , & Adler, M. G. (2012). Appreciation: A spiritual path to finding value and meaning in the workplace. Journal of Management, Spirituality & Religion , 9(2), 167–187.
   Google Scholar
• Flinchbaugh, C. L. , Moore, E. W. G. , Chang, Y. K. , & May, D. R. (2012). Student well-being interventions: The effects of stress management techniques and gratitude journaling in the management education classroom. Journal of Management Education , 36(2), 191–219.
   Google Scholar
• Fredrickson, B. L. (2001). The role of positive emotions in positive psychology: The broaden-and-build theory of positive emotions. American Psychologist , 56(3), 218–226.
   PubMed Web of Science ®Google Scholar
• Froh, J. , Bono, G. , & Emmons, R. (2010). Being grateful is beyond good manners: Gratitude and motivation to contribute to society among early adolescents. Motivation and Emotion , 34(2), 144–157.
   Web of Science ®Google Scholar
• García-Sancho, E. , Salguero, J. , & Fernández-Berrocal, P. (2014). Relationship between emotional intelligence and aggression: A systematic review. Aggression and Violent Behavior , 19(5), 584–591.
   Web of Science ®Google Scholar
• Ghandeharioun, A. , Azaria, A. , Taylor, S. , & Picard, R. W. (2016). “Kind and Grateful”: A context-sensitive smartphone app utilizing inspirational content to promote gratitude. Journal of Psychological Well-Being , 6, 9.
   PubMed Web of Science ®Google Scholar
• Gordon, A. M. , Impett, E. A. , Kogan, A. , Oveis, C. , & Keltner, D. (2012). To have and to hold: Gratitude promotes relationship maintenance in intimate bonds. Journal of Personality and Social Psychology , 103(2), 257–274.
   PubMed Web of Science ®Google Scholar
• Grant, A. M. , & Gino, F. (2010). A little thanks goes a long way: Explaining why gratitude expressions motivate prosocial behavior. Journal of Personality and Social Psychology , 98(6), 946.
   PubMed Web of Science ®Google Scholar
• Hiemstra, R. (2001). Uses and benefits of journal writing. New Directions for Adult and Continuing Education , 2001(90), 19–26.
   Google Scholar
• Huber, M. , Knottnerus, J. A. , Green, L. , Horst, H. V. D. , Jadad, A. R. , Kromhout, D. , … Smid, H. (2011). How should we define health? BMJ , 343. doi:10.1136/bmj.d4163
   PubMedGoogle Scholar
• Huffman, J. C. , Beale, E. E. , Celano, C. M. , Beach, S. R. , Belcher, A. M. , Moore, S. V. , … Januzzi, J. L. (2015). Effects of optimism and gratitude on physical activity, biomarkers, and readmissions after an acute coronary syndrome: The gratitude research in acute coronary events study. Circulation: Cardiovascular Quality and Outcomes . doi:10.1161/circoutcomes.115.002184
   Web of Science ®Google Scholar
• Huppert, F. A. (2009). Psychological well‐being: Evidence regarding its causes and consequences†. Applied Psychology: Health and Well‐Being , 1(2), 137–164.
   Web of Science ®Google Scholar
• Işık, Ş. , & Ergüner-Tekinalp, B. (2017). The effects of gratitude journaling on Turkish first year college students’ college adjustment, life satisfaction and positive affect. International Journal for the Advancement of Counselling , 39(2), 164–175.
   Web of Science ®Google Scholar
• Jackowska, M. , Brown, J. , Ronaldson, A. , & Steptoe, A. (2016). The impact of a brief gratitude intervention on subjective well-being, biology and sleep. Journal of Health Psychology . doi:10.1177/1359105315572455
   PubMed Web of Science ®Google Scholar
• Jans-Beken, L. G. P. J. , Lataster, J. , Peels, D. , Lechner, L. , & Jacob, N. (2017). Gratitude, psychopathology and subjective well-being: results from a 7.5-month prospective general population study. Journal of Happiness Studies , 1–17. doi:10.1007/s10902-017-9893-7
   Web of Science ®Google Scholar
• Joel, S. , Gordon, A. M. , Impett, E. A. , MacDonald, G. , & Keltner, D. (2013). The things you do for me: Perceptions of a romantic partner’s investments promote gratitude and commitment. Personality and Social Psychology Bulletin , 39(10), 1333–1345.
   PubMed Web of Science ®Google Scholar
• Jung, M. , & Han, K. (2017). Effectiveness of gratitude disposition promotion program on depression and quality of life of chronic schizophrenic patients. Indian Journal of Psychiatry , 59(2), 189–195.
   PubMed Web of Science ®Google Scholar
• Kaczmarek, L. D. , Goodman, F. R. , Drążkowski, D. , Kashdan, T. B. , Połatyńska, K. , & Komorek, J. (2014). Instructional support decreases desirability and initiation of a gratitude intervention. Personality and Individual Differences , 64, 89–93.
   Web of Science ®Google Scholar
• Kaczmarek, L. D. , Kashdan, T. B. , Drążkowski, D. , Enko, J. , Kosakowski, M. , Szäefer, A. , & Bujacz, A. (2015). Why do people prefer gratitude journaling over gratitude letters? The influence of individual differences in motivation and personality on web-based interventions. Personality and Individual Differences , 75, 1–6.
   Web of Science ®Google Scholar
• Kashdan, T. B. , Mishra, A. , Breen, W. E. , & Froh, J. J. (2009). Gender differences in gratitude: Examining appraisals, narratives, the willingness to express emotions, and changes in psychological needs. Journal of Personality , 77(3), 691–730.
   PubMed Web of Science ®Google Scholar
• Kerr, S. L. , O’Donovan, A. , & Pepping, C. A. (2015). Can gratitude and kindness interventions enhance well-being in a clinical sample? Journal of Happiness Studies , 16(1), 17–36.
   Web of Science ®Google Scholar
• Keyes, C. L. (1998). Social well-being. Social Psychology Quarterly , 61(2), 121–140.
   Web of Science ®Google Scholar
• Keyes, C. L. (2002). The mental health continuum: From languishing to flourishing in life. Journal of Health and Social Behavior , 43(2), 207–222.
   PubMed Web of Science ®Google Scholar
• Keyes, C. L. (2005). Mental illness and/or mental health? Investigating axioms of the complete state model of health. Journal of Consulting and Clinical Psychology , 73(3), 539–548.
   PubMed Web of Science ®Google Scholar
• Khanna, P. , & Singh, K. (2016). Effect of gratitude educational intervention on well-being indicators among North Indian adolescents. Contemporary School Psychology , 20(4), 305–314.
   Google Scholar
• Killen, A. , & Macaskill, A. (2015). Using a gratitude intervention to enhance well-being in older adults. Journal of Happiness Studies , 16(4), 947–964.
   Web of Science ®Google Scholar
• Kleiman, E. M. , Adams, L. M. , Kashdan, T. B. , & Riskind, J. H. (2013). Gratitude and grit indirectly reduce risk of suicidal ideations by enhancing meaning in life: Evidence for a mediated moderation model. Journal of Research in Personality , 47(5), 539–546.
   Web of Science ®Google Scholar
• Krause, N. (2006). Gratitude toward God, stress, and health in late life. Research on Aging , 28(2), 163–183.
   Web of Science ®Google Scholar
• Krentzman, A. R. , Mannella, K. A. , Hassett, A. L. , Barnett, N. P. , Cranford, J. A. , Brower, K. J. , … Meyer, P. S. (2015). Feasibility, acceptability, and impact of a web-based gratitude exercise among individuals in outpatient treatment for alcohol use disorder. The Journal of Positive Psychology , 10(6), 477–488.
   PubMed Web of Science ®Google Scholar
• Kruse, E. , Chancellor, J. , Ruberton, P. M. , & Lyubomirsky, S. (2014). An upward spiral between gratitude and humility. Social Psychological and Personality Science , 5(7), 805–814.
   Web of Science ®Google Scholar
• Kubacka, K. E. , Finkenauer, C. , Rusbult, C. E. , & Keijsers, L. (2011). Maintaining close relationships: Gratitude as a motivator and a detector of maintenance behavior. Personality and Social Psychology Bulletin , 37(10), 1362–1375.
   PubMed Web of Science ®Google Scholar
• Lakens, D. (2013). Calculating and reporting effect sizes to facilitate cumulative science: a practical primer for t-tests and ANOVAs. Frontiers in Psychology , 4, 863.
   PubMed Web of Science ®Google Scholar
• Lambert, N. M. , & Fincham, F. D. (2011). Expressing gratitude to a partner leads to more relationship maintenance behavior. Emotion , 11(1), 52–60.
   PubMed Web of Science ®Google Scholar
• Lamers, S. M. , Bolier, L. , Westerhof, G. J. , Smit, F. , & Bohlmeijer, E. T. (2012). The impact of emotional well-being on long-term recovery and survival in physical illness: a meta-analysis. Journal of Behavioral Medicine , 35(5), 538–547.
   PubMed Web of Science ®Google Scholar
• Lamers, S. M. , Westerhof, G. J. , Glas, C. A. , & Bohlmeijer, E. T. (2015). The bidirectional relation between positive mental health and psychopathology in a longitudinal representative panel study. The Journal of Positive Psychology , 10(6), 553–560.
   Web of Science ®Google Scholar
• Lavelock, C. R. , Griffin, B. J. , Worthington, E. L., Jr , Benotsch, E. G. , Lin, Y. , Greer, C. L. , … Davis, D. E. (2016). A qualitative review and integrative model of gratitude and physical health. Journal of Psychology & Theology , 44(1).
   Web of Science ®Google Scholar
• Layous, K. , Nelson, S. K. , Kurtz, J. L. , & Lyubomirsky, S. (2017). What triggers prosocial effort? A positive feedback loop between positive activities, kindness, and well-being. The Journal of Positive Psychology , 12(4), 385–398.
   Web of Science ®Google Scholar
• Lazarus, R. S. , & Lazarus, B. N. (1996). Passion and reason: Making sense of our emotions . New York, NY: Oxford University Press.
   Google Scholar
• Lee, L.-N. , Tong, E. M. W. , & Sim, D. (2015). The dual upward spirals of gratitude and basic psychological needs. Motivation Science , 1(2), 87–97.
   Google Scholar
• Lies, J. , Mellor, D. , & Hong, R. Y. (2014). Gratitude and personal functioning among earthquake survivors in Indonesia. The Journal of Positive Psychology , 9(4), 295–305.
   Web of Science ®Google Scholar
• Lyubomirsky, S. , & Layous, K. (2013). How do simple positive activities increase well-being? Current Directions in Psychological Science , 22(1), 57–62.
   Web of Science ®Google Scholar
• Martínez-Martí, M. L. , Avia, M. D. , & Hernández-Lloreda, M. J. (2010). The effects of counting blessings on subjective well-being: a gratitude intervention in a Spanish sample. The Spanish Journal of Psychology , 13(02), 886–896.
   PubMedGoogle Scholar
• McCullough, M. E. , Emmons, R. , & Tsang, J. A. (2002). The grateful disposition: A conceptual and empirical topography. Journal of Personality & Social Psychology , 82(1), 112–127.
   PubMed Web of Science ®Google Scholar
• Millstein, R. A. , Celano, C. M. , Beale, E. E. , Beach, S. R. , Suarez, L. , Belcher, A. M. , … Huffman, J. C. (2016). The effects of optimism and gratitude on adherence, functioning and mental health following an acute coronary syndrome. General Hospital Psychiatry , 43, 17–22.
   PubMed Web of Science ®Google Scholar
• Moher, D. , Liberati, A. , Tetzlaff, J. , & Altman, D. G. (2009). Preferred reporting items for systematic reviews and meta-analyses: the PRISMA statement. BMJ , 339.
   Google Scholar
• Ng, J. W. , Tong, E. M. , Sim, D. L. , Teo, S. W. , Loy, X. , & Giesbrecht, T. (2017). Gratitude facilitates private conformity: A test of the social alignment hypothesis. Emotion , 17(2), 379–387.
   PubMed Web of Science ®Google Scholar
• Nowak, M. A. , & Roch, S. (2007). Upstream reciprocity and the evolution of gratitude. Proceedings of the Royal Society B: Biological Sciences , 274(1610), 605–610.
   PubMed Web of Science ®Google Scholar
• O’Connell, B. H. , O’Shea, D. , & Gallagher, S. (2017a). Examining psychosocial pathways underlying gratitude interventions: A randomized controlled trial. Journal of Happiness Studies . doi:10.1007/s10902-017-9931-5
   Web of Science ®Google Scholar
• O’Connell, B. H. , O’Shea, D. , & Gallagher, S. (2017b). Feeling thanks and saying thanks: A randomized controlled trial examining if and how socially oriented gratitude journals work. Journal of Clinical Psychology , 73(10), 1280–1300.
   PubMed Web of Science ®Google Scholar
• O’Leary, K. , & Dockray, S. (2015). The effects of two novel gratitude and mindfulness interventions on well-being. The Journal of Alternative and Complementary Medicine , 21(4), 243–245.
   PubMed Web of Science ®Google Scholar
• Ohrnberger, J. , Fichera, E. , & Sutton, M. (2017). The relationship between physical and mental health: A mediation analysis. Social Science & Medicine , 195, 42–49.
   PubMed Web of Science ®Google Scholar
• Otto, A. K. , Szczesny, E. C. , Soriano, E. C. , Laurenceau, J.-P. , & Siegel, S. D. (2016). Effects of a randomized gratitude intervention on death-related fear of recurrence in breast cancer survivors. Health Psychology , 35(12), 1320–1328.
   PubMed Web of Science ®Google Scholar
• Ouweneel, E. , Le Blanc, P. M. , & Schaufeli, W. B. (2014). On being grateful and kind: results of two randomized controlled trials on study-related emotions and academic engagement. The Journal of Psychology , 148(1), 37–60.
   PubMed Web of Science ®Google Scholar
• Owens, R. L. , & Patterson, M. M. (2013). Positive psychological interventions for children: A comparison of gratitude and best possible selves approaches. The Journal of Genetic Psychology: Research and Theory on Human Development , 174(4), 403–428.
   Google Scholar
• Parks, A. C. , & Biswas-Diener, R. (2013). Positive interventions: Past, present and future. In T. Kashdan & J. Ciarrochi (Eds.), Mindfulness, acceptance, and positive psychology: The seven foundations of well-being (pp. 140–165). Oakland: New Harbinger Publications.
   Google Scholar
• Peters, M. , Meevissen, Y. M. , & Hanssen, M. M. (2013). Specificity of the best possible self intervention for increasing optimism: Comparison with a gratitude intervention. terapia psicolÓgica , 31(1), 93–100.
   Web of Science ®Google Scholar
• Proyer, R. T. , Ruch, W. , & Buschor, C. (2013). Testing strengths-based interventions: A preliminary study on the effectiveness of a program targeting curiosity, gratitude, hope, humor, and zest for enhancing life satisfaction. Journal of Happiness Studies , 14(1), 275–292.
   Web of Science ®Google Scholar
• Ramírez, E. , Ortega, A. R. , Chamorro, A. , & Colmenero, J. M. (2014). A program of positive intervention in the elderly: Memories, gratitude and forgiveness. Aging & Mental Health , 18(4), 463–470.
   PubMed Web of Science ®Google Scholar
• Rash, J. A. , Matsuba, M. K. , & Prkachin, K. M. (2011). Gratitude and well‐being: Who benefits the most from a gratitude intervention? Applied Psychology: Health and Well‐Being , 3(3), 350–369.
   Web of Science ®Google Scholar
• Redwine, L. , Henry, B. L. , Pung, M. A. , Wilson, K. , Greenberg, B. , Maisel, A. , & Mills, P. J. (2016). A pilot randomized study of a gratitude journaling intervention on HRV and inflammatory biomarkers in Stage B heart failure patients. Psychosomatic Medicine , 78(6), 667.
   PubMed Web of Science ®Google Scholar
• Rosenfield, S. , & Mouzon, D. (2013). Gender and mental health. In C. S. Aneshensel, J. C. Phelan, & A. Bierman (Eds.), Handbook of the sociology of mental health (pp. 277–296). Dordrecht: Springer.
   Google Scholar
• Rosner, B. (2010). Fundamentals of biostatistics . Boston, MA: Cengage Learning.
   Google Scholar
• Ryff, C. D. (2014). Psychological well-being revisited: advances in the science and practice of eudaimonia. Psychotherapy and Psychosomatics , 83(1), 10–28.
   PubMed Web of Science ®Google Scholar
• Salces-Cubero, I. M. , Ramírez-Fernández, E. , & Ortega-Martínez, A. R. (2018). Strengths in older adults: Differential effect of savoring, gratitude and optimism on well-being. Aging & Mental Health . doi:10.1080/13607863.2018.1471585
   PubMed Web of Science ®Google Scholar
• Schnitker, S. A. , & Richardson, K. L. (2018). Framing gratitude journaling as prayer amplifies its hedonic and eudaimonic well-being, but not health, benefits. The Journal of Positive Psychology . doi:10.1080/17439760.2018.1460690
   Web of Science ®Google Scholar
• Schueller, S. (2011). Creating a recommendation framework for positive psychology exercises: The Netflix model of positive psychology.
   Google Scholar
• Seligman, M. , Rashid, T. , & Parks, A. C. (2006). Positive psychotherapy. American Psychologist , 61(8), 774–788.
   PubMed Web of Science ®Google Scholar
• Seligman, M. , Steen, T. A. , Park, N. , & Peterson, C. (2005). Positive psychology progress: empirical validation of interventions. American Psychologist , 60(5), 410.
   PubMed Web of Science ®Google Scholar
• Sergeant, S. , & Mongrain, M. (2011). Are positive psychology exercises helpful for people with depressive personality styles? The Journal of Positive Psychology , 6(4), 260–272.
   Web of Science ®Google Scholar
• Shallcross, A. J. , Ford, B. Q. , Floerke, V. A. , & Mauss, I. B. (2013). Getting better with age: the relationship between age, acceptance, and negative affect. Journal of Personality and Social Psychology , 104(4), 734.
   PubMed Web of Science ®Google Scholar
• Simas, R. , Maestri, F. , & Normando, D. (2014). Controlling false positive rates in research and its clinical implications. Dental Press Journal of Orthodontics , 19(3), 24–25.
   PubMedGoogle Scholar
• Sin, N. L. , Della Porta, M. D. , & Lyubomirsky, S. (2011). Tailoring positive psychology interventions to treat depressed individuals. In S. I. Donaldson , M. Csikszentmihalyi , & J. Nakamura (Eds.), Applied positive psychology: Improving everyday life, health, schools, work, and society (pp. 79–96). New York: Routledge.
   Google Scholar
• Sin, N. L. , & Lyubomirsky, S. (2009). Enhancing well‐being and alleviating depressive symptoms with positive psychology interventions: A practice‐friendly meta‐analysis. Journal of Clinical Psychology , 65(5), 467–487.
   PubMed Web of Science ®Google Scholar
• Sirois, F. M. , & Wood, A. M. (2017). Gratitude uniquely predicts lower depression in chronic illness populations: A longitudinal study of inflammatory bowel disease and arthritis. Health Psychology . doi:10.1037/hea0000436
   PubMed Web of Science ®Google Scholar
• Sommers, S. , & Kosmitzki, C. (1988). Emotion and social context: An American-German comparison. British Journal of Social Psychology , 27(1), 35–49.
   Google Scholar
• Southwell, S. , & Gould, E. (2017). A randomised wait list-controlled pre–post–follow-up trial of a gratitude diary with a distressed sample. The Journal of Positive Psychology , 12(6), 579–593.
   Web of Science ®Google Scholar
• Thomas, M. , & Watkins, P. (2003). Measuring the grateful trait: development of revised GRAT . Paper presented at the Annual Convention of the Western Psychological Association, Vancouver.
   Google Scholar
• Toepfer, S. M. , Cichy, K. , & Peters, P. (2012). Letters of gratitude: Further evidence for author benefits. Journal of Happiness Studies , 13(1), 187–201.
   Web of Science ®Google Scholar
• Tsang, J.-A. (2006). Gratitude and prosocial behaviour: An experimental test of gratitude. Cognition & Emotion , 20(1), 138–148.
   Web of Science ®Google Scholar
• Van Tongeren, D. R. , Davis, D. E. , & Hook, J. N. (2014). Social benefits of humility: Initiating and maintaining romantic relationships. The Journal of Positive Psychology , 9(4), 313–321.
   Web of Science ®Google Scholar
• Watkins, P. , Uhder, J. , & Pichinevskiy, S. (2015). Grateful recounting enhances subjective well-being: The importance of grateful processing. The Journal of Positive Psychology , 10(2), 91–98.
   Web of Science ®Google Scholar
• Weiner, B. (1985). An attributional theory of achievement motivation and emotion. Psychological Review , 92(4), 548–573.
   PubMed Web of Science ®Google Scholar
• Williams, L. A. , & Bartlett, M. Y. (2015). Warm thanks: Gratitude expression facilitates social affiliation in new relationships via perceived warmth. Emotion , 15(1), 1–5.
   PubMed Web of Science ®Google Scholar
• Wolfe, W. L. , & Patterson, K. (2017). Comparison of a gratitude-based and cognitive restructuring intervention for body dissatisfaction and dysfunctional eating behavior in college women. Eating Disorders , 25(4), 1–15.
   PubMed Web of Science ®Google Scholar
• Wong, Y. J. , McKean Blackwell, N. , Goodrich Mitts, N. , Gabana, N. T. , & Li, Y. (2017). Giving thanks together: A preliminary evaluation of the gratitude group program. Practice Innovations , 2(4), 243–257.
   Google Scholar
• Wong, Y. J. , Owen, J. , Gabana, N. T. , Brown, J. W. , McInnis, S. , Toth, P. , & Gilman, L. (2016). Does gratitude writing improve the mental health of psychotherapy clients? Evidence from a randomized controlled trial. Psychotherapy Research: Journal of the Society for Psychotherapy Research , 1–11. doi:10.1080/10503307.2016.1169332
   PubMed Web of Science ®Google Scholar
• Wood, A. M. , Froh, J. J. , & Geraghty, A. W. A. (2010). Gratitude and well-being: A review and theoretical integration. Clinical Psychology Review , 30(7), 890–905.
   PubMed Web of Science ®Google Scholar
• Wood, A. M. , Maltby, J. , Stewart, N. , & Joseph, S. (2008). Conceptualizing gratitude and appreciation as a unitary personality trait. Personality and Individual Differences , 44(3), 621–632.
   Web of Science ®Google Scholar
• Yang, Y. , Zhao, H. , Aidi, M. , & Kou, Y. (2018). Three good deeds and three blessings: The kindness and gratitude interventions with chinese prisoners. Criminal Behaviour and Mental Health . doi:10.1002/cbm.2085
   Web of Science ®Google Scholar
• Yu, H. , Cai, Q. , Shen, B. , Gao, X. , & Zhou, X. (2016). Neural substrates and social consequences of interpersonal gratitude: Intention matters. Emotion . doi:10.1037/emo0000258
   PubMed Web of Science ®Google Scholar
• Zeng, Y. , Ling, Y. , Huebner, E. S. , He, Y. , & Lei, X. (2017). The psychometric properties of the 5-item Gratitude Questionnaire (GQ-5) in Chinese adolescents. Journal of Psychiatric and Mental Health Nursing . n/a-n/a. doi: 10.1111/jpm.12372.
   PubMed Web of Science ®Google Scholar
• Zhou, X. , & Wu, X. (2015). Longitudinal relationships between gratitude, deliberate rumination, and posttraumatic growth in adolescents following the wenchuan earthquake in china. Scandinavian Journal of Psychology , 56(5), 567–572.
   PubMed Web of Science ®Google Scholar