Dr. tylka is studying the way that people value relationships. for the purpose of her study, she defines an interest in relationships as "the number of people with whom you have had a conversation that is not related to work activities in the past 48 hours." this process of defining the variable of interest is called

Operationalization

Explanation:

Operationalization refers to the  process of defining the measurement of a phenomenon that is not directly measurable, though its existence is inferred by other phenomena. Dr. Tylka studies the way that people value relationships but she derived a subjective social variable that was based on her own personal opinion and feelings. Her opinions was inferred from her previous studies whose existence was deduced by other phenomena.

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