Editing Positive psychology (section)

===Initial theory: three paths to happiness===
In ''Authentic Happiness'' (2002) Seligman proposed three kinds of a happy life that can be investigated:{{r|Seligman2002|p=275}}<ref name=":1">{{Cite web|url=https://www.huffingtonpost.com/david-sze/the-father-of-positive-ps_b_7600226.html|title=The Father of Positive Psychology and His Two Theories of Happiness|last=Sze|first=David|date=2015-06-17|website=Huffington Post|language=en-US|access-date=2018-02-19}}</ref>
# ''Pleasant life'': research into the [[pleasure|pleasant]] life, or the "life of enjoyment", examines how people optimally experience, [[Affective forecasting|forecast]], and [[Savoring|savor]] the positive feelings and emotions that are part of normal and healthy living (e.g. relationships, hobbies, interests, entertainment, etc.). Seligman says this most transient element of happiness may be the least important.<ref name=NYSciHap>{{cite magazine |last=Wallis |first=Claudia |url=http://www.time.com/time/magazine/article/0,9171,1015902-1,00.html |title=Science of Happiness: New Research on Mood, Satisfaction |magazine=Time |date=2005-01-09 |access-date=2011-02-07 |url-status=dead |archive-url=https://web.archive.org/web/20101115020515/http://www.time.com/time/magazine/article/0%2C9171%2C1015902-1%2C00.html |archive-date=2010-11-15 }}</ref>
# ''Good Life'': investigation of the beneficial effects of immersion, absorption, and flow felt by people when optimally engaged with their primary activities, is the study of the Good Life, or the "life of engagement". Flow is experienced when there is a match between a person's strengths and their current task, i.e. when one feels confident of accomplishing a chosen or assigned task. Related concepts include [[self-efficacy]] and [[play (activity)|play]].
# ''Meaningful Life'': inquiry into the [[meaningful life]], or "life of affiliation", questions how people derive a positive sense of well-being, belonging, meaning, and purpose from being part of and contributing back to something larger and more enduring than themselves (e.g. nature, social groups, organizations, movements, traditions, belief systems).<ref>{{cite journal |last1=Allen |first1=Mark S. |last2=McCarthy |first2=Paul J. |title=Be Happy in your Work: The Role of Positive Psychology in Working with Change and Performance |journal=Journal of Change Management |date=2 January 2016 |volume=16 |issue=1 |pages=55–74 |doi=10.1080/14697017.2015.1128471 }}</ref>