What method requires researchers to go into a setting that they want to learn more about?

Which of the following statements is true regarding adolescent ethnicity and self-esteem? select one: a. teens of all ethnicities in the u.s. are likely to experience a brief increase in self-esteem as they transition into early adolescence. b. teens of all ethnicities in the u.s. are likely to experience a drop in self-esteem as they transition from childhood to early adolescence. c. ehtnic minority teens in the u.s. are likely to experience a drop in self-esteem as they transition from childhood to early adolescence.