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Lorenzo is studying aggression in children. He administers a questionnaire to the children that asks them about their feelings of aggression. Lorenzo runs a statistical test to find how consistent the responses are to different wordings of items on the questionnaire given to the children. Which type of reliability is he examining with this questionnaire?

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Answer: Internal reliability

Explanation: Internal reliability is used to evaluate the consistency of a result across items within test. In internal reliability, the consistency or how well a correlation is established between different items or variables subjected to the same test.

In the scenario above, the construct measured is aggression across multiple children using a questionnaire and the correlation or consistency of their result were evaluated.

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