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"Erosion Examples. Erosion is the wearing away of an object or substance through an external force. Typically, erosion refers to the gradual wearing away of soil, dirt, rock, or other land structures over time through natural forces such as water or wind". :/ idk any examples off my head but this might help you make some up or something :/
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.