According to Sundberg and Partington (2013; Chapter 4: Augmentative Communication), which one of the following statements is TRUE? According to Sundberg and Partington (2013; Chapter 4: Augmentative Communication), which one of the following statements is TRUE? When all things are equal, it is easier for an individual to point at stimuli than to communicate using sign language. Each response in a picture communication system requires two behaviors: scanning to select, and pointing to the choice. Researchers and practitioners agree that picture communication systems are the most effective of the three types of alternative or augmentative communication. An effective sign language repertoire can be acquired by with 30 minutes of sign training three times a week.NDBIs have been developed to combat which of the limitations of DTT? NDBIs have been developed to combat which of the limitations of DTT? reluctance of insurance carriers to pay for services need for highly trained interventionists to implement the procedures program ineffectiveness as targeted skills fail to be acquired failure of learned skills to generalize outside of training situations