title: Research questions and hypotheses.
authors.affiliation: Colorado State University, Fort Collins, USA.
authors.forename: G A
authors.initials: GA
authors.lastname: Morgan
authors.forename: R J
authors.initials: RJ
authors.lastname: Harmon
mesh_terms: D000293:Adolescent; D000296:Adolescent Psychiatry; D015982:Bias; D002648:Child; D002665:Child Psychiatry; D003627:Data Interpretation, Statistical; D006801:Humans; D011594:Psychometrics; D012106:Research / Q000706:statistics & numerical data*