He also wrote over 250 articles and periodical studies in the sport.
Any measurement for such data is required to be reliable, valid, and homogeneous with comparable results over different studies.
Researchers also say the controversy over life-cycle studies need not paralyze consumers.
He came to Kent State University in 1976 as vice president over graduate studies and research.
Its themes range from philology over historical and religious studies to archaeology and art history.
He has authored, coauthored and edited over 200 books, articles and studies.
But this should be done over adequate sample sizes and decent longitudinal studies.
Earlier this year a newspaper headline screamed: 'Schools rapped over environmental studies'.
Medea scientists say spy satellites have several advantages over standard environmental studies.
Because the litigants need data on damages quickly as the cases move to trial, short-term research is being emphasized over more complex long-term studies.