Question: Which of the following is the most accurate generalization about how children with severe developmental delays learn self-advocacy skills? They tend to try many different activities on their own and learn from their successes and failures, they often learn initial skills by observing others and then add skills as they practice, they typically learn a skill through initial coaching and maintain it with intermittent but minimal support on an as needed basis or they usually require systematic instruction and individualized support in the skill in order to acquire any level of proficiency