Jeremy conducted research on depression among teenagers. For the purpose of his research, he described depression using specific behaviors, such as how often a participant experiences a panic attack, a headache, and excessive hunger. The number of tim repeated by a participant constituted the measure of depression for that participant. In this scenario, Jeremy defined depression using a(n): a) theory. b) theoretical definition. c) hypothesis. d) operational definition.

In this scenario, Jeremy defined depression using a:

d) operational definition.

Explanation:

Operational definition is simply the way a researcher decides to define and measure something. In this case, Jeremy has a certain definition of depression that includes specific behaviors: panic attacks, hunger, and headaches. By measuring those behaviors, he determines whether participants are depressed or not. Another researcher could have a different operational definition for depression and measure, instead, how often in the past 6 months the participants have displayed anger or shown low energy levels, for example.

the answer is d. amendments.

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