A confound occurs when you forget to randomly assign participants to groups

Acupuncture is ineffective in treating pain or stress

Indicate whether the statement is true or false.

Which of the following factors have contributed to the period of development called emerging adulthood?

A) Teenagers from large families assume adult roles upon entering adolescence. B) The transition to adult roles has become increasingly prolonged. C) Schooling is increasingly directed toward preparation for the world of work. D) Young people make enduring commitments soon after high school graduation.