Guidelines for best practice (see website) are additive and synergistic. To be effective, social and emotional learning experiences need not adhere to all of the guidelines listed, but the chances for success increase with each one that is followed. (Cherniss, Cary, Daniel Goleman, Robert Emmerling, Kim Cowan, Michael Adler. Graduate School of Applied and Professional Psychology (GSAPP) Rutgers University, 1998.)