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:
Thinking Maps 1988, David Hyerle wrote Expand Your Thinking, which was the first resource where his Thinking Maps were published, and at that point, he began training educators to use his Thinking Maps (Thinking Maps, Inc., 2011). In 1994, test results indicated that "Thinking Maps significantly affect[ed] standardized and qualitative measures of student performance" (Thinking Maps Inc., 2011). After more success and schools nationwide piloting Thinking Maps, ISI changed its name to Thinking Maps, Inc. in 2004 to "better promote its mission" (Thinking Maps, Inc., 2011). Today, thousands of teachers across America have been trained in using and implementing Thinking Maps in