The motivational interviewing (MI) style of communicating with parents and caregivers is effective when discussing the possibility of developmental delay in a child. Which of the following are considered core MI skills?
1) Using an authoritative speaking style so that parents and caregivers understand the importance of the matter.
2) Offering gentle hints about the problem so the parents and caregivers can come to their own conclusions.
3) Speaking positively to motivate the parents and caregivers to accept a referral for their child.
4) Asking open-ended questions, affirming parental input, listening reflectively and summarizing what you have heard.