A __________ study is a research study in which neither the patient nor the therapist knows if the patient is receiving the treatment in question or the placebo

What is another very useful technique for assisting low-birth-weight babies?

a. educating their mothers b. smoking cessation program for the parents c. infant isolation d. infant massage

Because low-SES children are read to for an average of just 25 hours over the preschool years,

A) their social skills do not develop at the same pace as their middle- and high-SES counterparts. B) most low-SES children enter kindergarten with little idea of what reading and writing is. C) parents report higher stress levels when helping their children with homework during the school years. D) they are behind in emergent literacy skills and in reading achievement throughout the school years.