Quite frankly, your generalization (one of many) that no 15-year-old is capable of writing as I did is false.
I had some people come up to me after and talk to me—‘Oh, I disagreed with that,’ ‘I thought that was a generalization.’
Ian McEwan: But we accept, for example, if you want to make a generalization, that a sample of two is about fine.
generalization gen·er·al·i·za·tion (jěn'ər-ə-lĭ-zā'shən)
The act or an instance of generalizing.
A principle, a statement, or an idea having general application.