Vanessa was diagnosed with attention-deficit/hyperactivity d…

Vanessa was diagnosed with attention-deficit/hyperactivity disorder (ADHD) at an early age. Throughout school they had extreme academic difficulties, though they excelled at music. When they graduated from high school they started a career as a musician and have done extremely well. As an adult they were experiencing life success even though they still had symptoms of ADHD. Which of the four general principles of abnormal development, as discussed in your text, does this example BEST illustrate?