Mary Ainsworth used the ____________________ to assess the development of attachment in infants and children

Nearly ____ adolescents are enrolled in secondary school in industrialized countries. In contrast, only about ____ of adolescents in economically developing countries attend secondary school

a. 40%; 20% b. 60%; 30% c. 80%; 40% d. all; 50%

Which of the following statements about debriefing is true?

A) Young children often lack the cognitive skills to understand the reasons for deceptive procedures. B) It should be done with children, and usually works well, but it does not have to be done with adults. C) Researchers use it when participants cannot fully appreciate the research goals and activities. D) It involves explaining to research participants that they have the right to alternative beneficial treatments.