Final answer:
John Alan Lee is most frequently associated with styles of loving due to his theory categorizing different types of love experiences. He developed 'Lee's six types of loving,' which has notably contributed to the field of psychology.
Step-by-step explanation:
When considering the question, Which among the following is most frequently associated with styles of loving? the correct answer is A. John Alan Lee. John Alan Lee, a Canadian psychologist, developed a theory of love styles, also known as "Lee's six types of loving," which categorizes different types of love experiences. While the other options, Robert Browning, Victor Frankl, and Elizabeth Marsh, have contributed to literature, psychology, and other fields, they are not renowned for work specifically on styles of loving as much as John Alan Lee is.
Regarding the review questions about the new morality of the 1920s, A. Sigmund Freud's ideas were the most influential in challenging the conventional views on sexuality and encouraging a societal shift towards a new morality during that time.