Systematic Training for Effective Parenting Systematic Training for Effective Parenting Systematic Training for Effective Parenting (STEP) is a parent education program published as a series of books. STEP was developed and published by the psychologists Don Dinkmeyer Sr., Gary D. McKay and Don Dinkmeyer Jr. The publication was supplemented by an extensive concept for training and proliferation. STEP has reached more than 4 million parents and has been translated into Spanish, French, German, and Japanese. Korean and Chinese adaptations are in progress. STEP is based on Alfred Adler's individual psychology and the work of the psychologists Rudolf Dreikurs and Thomas Gordon. An evaluation of the
Effective atomic number Effective atomic number Effective atomic number has two different meanings: one that is the effective nuclear charge of an atom, and one that calculates the average atomic number for a compound or mixture of materials. Both are abbreviated Z. The effective atomic number Z, (sometimes referred to as the effective nuclear charge) of an atom is the number of protons that an electron in the element effectively 'sees' due to screening by inner-shell electrons. It is a measure of the electrostatic interaction between the negatively charged electrons and positively charged protons in the atom. One can view the electrons in