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Martin Seligman, Learned Optimism: How to Change Your Mind and Your Life (London: Nicholas Brealey, 2018).
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Mike J. Gross et al., “Abbreviated Resonant Frequency Training to Augment Heart Rate Variability and Enhance On-Demand Emotional Regulation in Elite Sport Support Staff,” Applied Psychophysiology and Biofeedback 41, no. 3 (September 2016): 263–74, https://doi.org/10.1007/s10484-015-9330-9.
Auditya Purwandini Sutarto et al., “Heart Rate Variability (HRV) Biofeedback: A New Training Approach for Operator’s Performance Enhancement,”Journal of Industrial Engineering and Management 3, no. 1 (June 2010): 176–98, http://dx.doi.org/10.3926/jiem.2010.v3n1.p176-198.
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Kennon M. Sheldon and Sonja Lyubomirsky, “How to Increase and Sustain Positive Emotion: The Effects of Expressing Gratitude and Visualizing Best Possible Selves,” Journal of Positive Psychology 1, no. 2 (2006): 73–82, https://doi.org/10.1080/17439760500510676.
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For more about the benefits of exercising gratitude, see Kori D. Miller, “14 Health Benefits of Practicing Gratitude According to Science,” positivepsychology.com, May 20, 2020, https://positivepsychology
.com/benefits-of-gratitude/; Alice M. Isen et al., “The Influence of Positive Affect on Clinical Problem Solving,” Medical Decision Making 11, no. 3 (July/September 1991): 221–7, https://doi.org/10.1177
%2F0272989X9101100313; Alice M. Isen et al., “Positive Affect Facilitates Creative Problem Solving,” Journal of Personality and Social Psychology 52, no. 6 (June 1987): 1122–31, https://doi.apa.org/doi
/10.1037/0022-3522.214.171.1242; and F. Gregory Ashby et al., “A Neuropsychological Theory of Positive Affect and Its Influence on Cognition,” Psychological Review 106, no. 3 (July 1999): 529–50, https://doi.apa.org
Hildur Finnbogadóttir and Dorthe Berntsen, “Looking at Life from Different Angles: Observer Perspective during Remembering and Imagining Distinct Emotional Events,” Psychology of Consciousness: Theory, Research, and Practice 1, no. 4 (2014): 387–406, https://doi.org/10.1037/CNS0000029.
See Melanie Gregg et al., “The Imagery Ability, Imagery Use, and Performance Relationship,” The Sport Psychologist 19, no. 1 (2005): 93–99, https://pdfs.semanticscholar.org/cb93/ab4c2c70da9a0d52aedc
5859640eda00978d.pdf; and David Eldred-Evans et al., “Using the Mind as a Simulator: A Randomized Controlled Trial of Mental Training,” Journal of Surgical Education 70, no. 4 (July/August 2013): 544–51, https://doi.org/10.1016/j.jsurg.2013.04.003.
Shad Helmstetter: “What to say when you talk to yourself,” Park Avenue Press (2011)
Mai-Chuan Wang et al., “Purpose in Life and Reasons for Living as Mediators of the Relationship between Stress, Coping, and Suicidal Behavior,” Journal of Positive Psychology 2, no. 3 (June 2007): 195–204, https://doi.org/10.1080/17439760701228920.
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P. Christopher Earley et al., “Task Planning and Energy Expended: Exploration of How Goals Influence Performance,” Journal of Applied Psychology72, no. 1 (1987): 107–14, https://doi.apa.org/doi/10.1037/0021-9010.72.1.107.
On the effectiveness of self-talk, see Antonis Hatzigeorgiadis et al., “Mechanisms Underlying the Self-Talk–Performance Relationship: The Effects of Motivational Self-Talk on Self-Confidence and Anxiety,” Psychology of Sport and Exercise 10, no. 1 (2009): 186–92, https://doi.org/10.1016/j.psychsport.2008.07.009; Chris P. Neck and Charles C. Manz, “Thought Self‐Leadership: The Influence of Self‐Talk and Mental Imagery on Performance,” Journal of Organizational Behavior 13 (1992): 681–99, https://doi.org/10.1002
/job.4030130705; and David Tod et al., “Effects of Self-Talk: A Systematic Review,” Journal of Sport and Exercise Psychology 33, no. 5 (October 2011): 666–87, https://doi.org/10.1123/jsep.33.5.666.
Genevive R. Meredith et al. Minimum Time Dose in Nature to Positively Impact the Mental Health of College-Aged Students, and How to Measure It: A Scoping Review. Front. Psychol., 14 January 2020 https://doi.org/10.3389/fpsyg.2019.02942
Richard Louv, Last Child in the Woods: Saving Our Children from Nature-Deficit Disorder (London: Atlantic Books, 2013).
On the benefits of time in nature for mental health, see Mardie Townsend and Rona Weerasuriya, Beyond Blue to Green: The Benefits of Contact with Nature for Mental Health and Well-Being (Melbourne, Australia: Beyond Blue Limited, 2010); and Diana E. Bowler et al., “A Systematic Review of Evidence for the Added Benefits to Health of Exposure to Natural Environments,” BMC Public Health 10 (August 2010): 456, https://doi.org/10.1186/1471-2458-10-456.
Rudolf Steiner. Goethean Science (Liverpool: Mercury Press, 1988).
Shinya Kubota et al., “A Study of the Effects of Active Listening on Listening Attitudes of Middle Managers,” Journal of Occupational Health 46, no. 1 (February 2004): 60–7, https://doi.org/10.1539/joh.46.60.
Lynn Kacperck, “Non-Verbal Communication: The Importance of Listening,” British Journal of Nursing 6, no. 5 (December 2014): 27, https://doi.org/10.12968/bjon.19126.96.36.1995.
Nancy Kline, Time to Think: Listening to Ignite the Human Mind (London: Cassell, 2002). The power of effective listening is recognized as the essential tool of good management.
Carl Rogers, Client Centred Therapy: Its Current Practice, Implications and Theory (London: Robinson, 2003).
Sachiko Mineyama et al., "Supervisors' Attitudes and Skills for Active Listening with Regard to Working Conditions and Psychological Stress Reactions among Subordinate Workers,” Journal of Occupational Health 49 (2007) 1. https://doi.org/10.1539/joh.49.81.
Otto Scharmer and Katrin Kaufer, Leading from the Emerging Future: From Ego-System to Eco-System