The Power of Positive Thinking Happiness," published in 1950, and "Inspiring Messages for Daily Living", published in 1955. "The Power of Positive Thinking" appeared at a time when Christian church attendance was drastically increasing, national views of spirituality, individuality, and religion were shifting, and the Cold War was a growing concern for many Americans. These factors, as well as Peale's growing popularity as a motivational public figure and the book's clear prose, propelled "The Power of Positive Thinking" into a self-help book still popular today. Peale begins by stating ten rules for “overcoming inadequacy attitudes and learning to practice faith”. The rules include the following:
Convergent thinking divergent thinking. A series of standard intelligence tests were used to measure both the convergent and divergent thinking abilities of adolescents. Results indicate that subjects who classified as high on divergent thinking had significantly higher word fluency and reading scores than subjects who classified as low on divergent thinking. Furthermore, those who were high in divergent thinking also demonstrated higher anxiety and penetration scores. Thus, those subjects who are high in divergent thinking can be characterized as having their perceptual processes mature and become adequately controlled in an unconventional way. Conversely, subjects in the high convergent thinking group illustrated higher