The early sociological writer, Harriet Martineau, wrote a book in 1838 that examined the institution of marriage and challenged assumptions about women's inferiority. In this respect, Martineau espoused what kind of theoretical position in her sociological writing?

The correct answer is feminist

Harriet Martineau (1802-1876) was a British journalist, novelist, essayist and political economist. He was an important activist for women's emancipation.

Her first article "On Female Education", written in 1823, stated that the progress of society was based on individual progress, said: "The progression or emancipation of a class, usually, if not always, happens through the individual efforts of that class".