A sociologist wants to study popular attitudes and perceptions about astrology among college students in California. She believes that people who have astrological signs identified with fire will have a greater knowledge of astrology because fire signs tend to have more interesting and attractive symbolism. What are the variables in this study?A. astrological signs and knowledge of astrology. B. college students and symbolism. C. popular attitudes and perceptions. D. astrological signs and symbolism. E. California and college students

Explanation: In simple words, variables refers to those factors or elements which have the tendency or ability to vary in different scenarios in a single study.

In the given case, sociologist made a study about the attitude. In which the subject is the college students and the factors that vary is the sign identified, that is whether it is fire or some other element.

Hence from the above we can conclude that the correct option is A.