The Power of Positive Thinking was a minister. He writes that Peale's books have no connection to Christianity and that they “influence, mislead and often disillusion sick, maladjusted, unhappy or ill-constructed people, obscuring for them the Christian realities. They offer easy comforts, easy solutions to problems and mysteries that sometimes perhaps, have no comforts or solutions at all, in glib, worldly terms. They offer a cheap 'happiness' in lieu of the joy Christianity can offer.” While contemporary theologians and mental health experts criticized Peale's teachings in "The Power of Positive Thinking," the general public praised the self-help book. The "Los Angeles Times" estimates that “legions
Positive psychology for someone of low skills results in a state of anxiety; insufficient challenge for someone highly skilled results in boredom. Research in positive psychology, well-being, eudaimonia and happiness, and the theories of Diener, Ryff, Keyes and Seligman cover a broad range of topics including "the biological, personal, relational, institutional, cultural, and global dimensions of life". A meta-analysis on 49 studies in 2009 showed that Positive Psychology Interventions (PPI) produced improvements in well-being and lower depression levels, the PPIs studied included writing gratitude letters, learning optimistic thinking, replaying positive life experiences and socializing with others. In a later meta-analysis of 39