Pollyanna principle Pollyanna principle The Pollyanna principle (also called Pollyannaism or positivity bias) is the tendency for people to remember pleasant items more accurately than unpleasant ones. Research indicates that at the subconscious level, the mind has a tendency to focus on the optimistic; while at the conscious level, it has a tendency to focus on the negative. This subconscious bias towards the positive is often described as the Pollyanna principle and is similar to the Forer effect. The name derives from the 1913 novel "Pollyanna" by Eleanor H. Porter describing a girl who plays the "glad game"—trying to find something to
Edwin S. Porter Mary Pickford in her first feature film, "A Good Little Devil" (1913), also directing Pauline Frederick and John Barrymore. But his directorial skills had not kept pace with rapid changes in motion picture art, although his technical skills were piqued by 3D. Porter's last film premiered on June 10, 1915, "Niagara Falls", the first anaglyph 3D movie. In 1916 he left Famous Players during a reorganization. From 1917 to 1925 Porter served as president of the Precision Machine Company, manufacturers of the Simplex projectors. After his retirement in 1925 he continued to work on his own as an inventor and