The Power of Positive Thinking believe and live successfully.” Peale's work came under criticism from various mental health experts, theologians, and academics. One general criticism against Peale's book was the lack of verified sources. "The Power of Positive Thinking" includes many personal anecdotes that the reader has no way of validating. The book includes stories about “a business executive”, “a man, an alcoholic”, “a famous trapeze artist”, “a friend of [Peale’s], a midwestern businessman”, and other unnamed individuals which cannot be verified from the information Peale presents with each anecdote. R. C. Murphy, a prominent psychiatrist based out of Tacoma, Washington, addresses another criticism of
Convergent thinking with complex problems, other variables such as one’s gut feeling or instinctive problem solving abilities also have a role in determining a solution to a given problem. Furthermore, convergent thinking has also been said to devalue minority arguments. In a study where experimental manipulations were used to motivate subjects to engage in convergent or divergent thinking when presented with either majority or minority support for persuasive arguments, a pattern emerged under the convergent thinking condition where majority support produced more positive attitudes on the focal issue. Conversely, minority support for the argument had no effect on the subjects. The convergent