Approximately _____ percent of children with classic autism remain mute

In class you learned about a study comparing how popular and rejected children:

a. manage conflicts that they have with their classmates b. try to join in on interactions with unfamiliar peers c. describe each other's psychological characteristics d. reason about scenarios in which children report on the misdeeds of their peers

How effective is progressive muscle relaxation as a method to induce sleep?

What will be an ideal response?