A sociologist wants to study bullying in school. To measure bullying, she asks a series of questions, such as how often the person is pushed in the halls, made fun of in front of others, or harassed online. This process of taking the idea of bullying and turning it into specific questions is an example of:单项选择题

A

Defining the population of interest

B

Developing a hypothesis

C

Operationalization

D

Generalizability

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