For boys this is similar to menarche for girls:

The obtained value of t, for a correlated samples t test, is 2.201, on 10 degrees of freedom. This is significant at the .05 level, two-tailed.

a. true b. false

Research on corporal punishment shows that African-American and Caucasian-American parents

A) consider physical punishment to be wrong. B) tend to mete out physical punishment differently. C) culturally approve of physical discipline. D) are usually highly agitated when they use physical punishment.