A study of romance novels found four different types of heroines predominated: the cold professional, the emotionally scarred, the romantic dreamer, and the self-sacrificing martyr. This study is most likely .

a. a narrative analysis
b. a textual experiment
c. a content analysis
d. an oral history

c. a content analysis

Explanation:

Content Analysis of a book is defined as means of research, in which the objective, systematic and quantitative description of a book is carried out. It is a logical, methodical and commonsense techniques of finding out how an author of a book has treated a particular subject.

Carrying out content analysis, can serve varying purposes, such as:

1. To ascertain characteristics of the content

2. To determine the effect of the contents

Hence, in this case, content analysis of the novel is been carried out so as to ascertain the effect of the content of the book.

using the scientific method.