Personal styles effective performance paperback jan 15 1981 by david w merrill author roger h reid author 45 out of 5 stars 23 ratings. Personal styles effective performance by david w merrill 1981 01 15 david w merrill roger h reid books amazonca. Tens of thousands of professionals have attended david w merrills acclaimed style awareness workshops the goal improvement of interpersonal effectiveness skills inspiring better communication improved productivity and a more harmonious working environmentbrstudents preparing for business management or sales careers can also benefit from merrills techniques presented in personal . First published in 1981 personal styles effective performance continues to be a popular resource for the self improvement minded by learning its lessons now tomorrows business professionals can have the edge in interpersonal effectiveness one of the most important facets of a successful career. Tens of thousands of professionals have attended david w merrills acclaimed style awareness workshops the goal improvement of interpersonal effectiveness skills inspiring better communication improved productivity and a more harmonious working environment