When wilson, a manufacturer of tennis racquets, sent a team of researchers, designers, and tennis pros out to visit with 40 women tennis players of various abilities in locations from california to florida to find out what women players want in a racquet, what kind of research were they conducting?

Primary research    

Explanation: Primary research is the process of researching that is doen by the individual itself or the people hired by him/her .It includes conduction of surveys, study , observation, raw data etc by the person on his own. Example - taking an interview of any political figure by person himself.

According to the question, primary research process is used by Wilson by hiring the researchers team professional tennis members and designers for conducting the research about the requirement of female players in tennis racquet. Thus, this research is done by primary source itself which makes it a primary research.