Strong-willed children typically demonstrate the following traits: exuberance, independence, determination, outspokenness, and at times highly emotionality and inflexibility, according to Parents With Confidence.
Article source: https://www.huffingtonpost.co.uk/entry/how-to-reason-with-a-strong-willed-child_uk_63f721d9e4b0c87f32f57e05