The growth spurt for girls typically begins around what age?

Today _____ are more likely to graduate from college.

a) U.S. Westerners b) U.S. Southerners c) men d) women

In comparison to between-subjects designs, within-subjects

designs _____ . a. require fewer participants b. may be more sensitive to the effects of the independent variable c. are more susceptible to multiple treatment effects d. all the above