The two words that are grammatically used incorrectly are effect (not affect) and your (not you're).
What are ungrammatical errors?
Ungrammatical errors are errors in grammar.
They may occur from faulty, unconventional, or controversial usage of words and expressions in a grammatical situation.
Thus, the sentence can be correctly written as "The psychologist won an award for his paper describing the effect that aging has on your personality."
Learn more about ungrammatical errors at https://brainly.com/question/19575157
