Rensis Likert

Rensis Likert ( ; 5 August 1903–3 September 1981) was an American administrator and organizational psychologist based at the U.S. Department of Agriculture until 1946, then at the Institute for Social Research at the University of Michigan. He is best known for survey research methods and for the Likert Scale, a psychometric scale commonly involved in research using questionnaires. After retirement in 1970 he was an active researcher in management styles; he also developed the linking pin model. Likert was known for his support of interdisciplinary collaborations and emphasis on using social science research to effect positive change.