A researcher wishes to study Hispanic adolescents who are recent immigrants to an urban high school. The inquirer wishes to advocate for these adolescents and identify the types of issues that may hinder their assimilation into the high school. In a narrative research study, this inquirer is using

a theoretical lens

Explanation:

Theoretical frameworks tend to provide or allows a specific lens or perspective through which a researcher or an experimenter tends to examine specific topics. However, there are various lenses, for example, economic theories, psychological theories, organizational theories, and social theories, that can be utilized to describe specific concepts and to explain the different phenomenon.

In the question above, the inquirer is using a theoretical lens.