The third survey was White-Campbell’s Psychological Birth Order Inventory (PBOI), which consisted of forty-seven questions that required “yes” or “no” answers. This specific survey has been used in many birth order studies and is classified as a self-report survey which …show more content…
The participants ranged from being an only child, first-born child, other-born child, and last-born child. The participants’ ages ranged from 17 to 43 with the majority of them being 18 years old, and the mean age being 19.31. The mean high school GPA was 3.78, and the mean current GPA was 3.42. The majority of the participants were white females (see Table 1). The research study consisted of three surveys: a general survey, Parenting Style Questionnaire, and White-Campbell Psychological Birth Order Inventory