Question: Which of the following statements are true about maintenance? (Check all that apply) Need Assignment Help? A. Maintenance is important because students may forget skills if they are not practiced regularly B. To ensure a skill is maintained, follow-up testing sessions should be run once a week for a few weeks and then once a month C. If a skill does not maintain, bring the lesson back and re-teach the skill D. Using natural rewards that the student might encounter in real life helps promote maintenance