Of the following, which is a quantitative research problem?
◦ This study tests the effects of a new alternative education program on students' self-esteem.
◦ The goals of this study are to report what nurse practitioner-teachers should do to prepare today's nurses.
◦ This study describes the decision making process of school board members during redistricting.
◦ The purpose of this study is to explore the experiences of first year principals.