The well-known limit on immediate memory — the "magic number 7 + 2" — was proposed by:

Tiffany Field and her colleagues demonstrated that LBW newborns can benefit from which of the following?

a. nutritional supplements b. increased time in the isolette c. good health care d. massage

What is a drop out prevention strategy that has been effective for high school students?

a. ninth-grade academies that provide academic support to at-risk students b. after school programs c. teen pregnancy prevention information given out at school d. finding a student peer mentor