Most psychologists believe that it started in 1998, when Martin Seligman chose it as the theme for his term of president of the American Psychological Association, though the term originates with Maslow, in his 1954 textbook Motivation and Personality. Seligman stressed that clinical psychology had been consumed by only mental illness, echoing Maslow’s comments. Research into positive psychology might be traced back to the 4 P. A. Linley et al. origins of psychology, such as, in William James’ writings on healthy mindedness.
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