Jacqueline Good Childs

...is a real person.

Goodchilds is a Professor Emerita, Psychology at UCLA. She is affiliated with UCLA's Center for the Study of Women. She was not the only one involved in gathering the information for the study in question, but the study is primarily attributed to her.

In addition, if you search Google books you will find numerous references to Goodchilds work:
https://www.google.com/search?tbm=bks&hl=en&q=rape+survey+Jacqueline+Goodchilds

Further, there is a news article from the Sun Sentinel in 1985 that interviews Goodchilds about the survey, which at the time was controversial.