Before revision: Retrieved on 2010-09-08 In research conducted by Holly Nelson (from the University of New Hampshire) and Glenn Geher (State University of New York at Paltz) , individuals who chose their romantic partner reported more mutual grooming than others who focused in other types of relationships.
After revision: Retrieved on 2010-09-08 In research conducted by Holly Nelson (from the University of New Hampshire) , individuals who chose their romantic partner reported more mutual grooming than others who focused in other types of relationships.