title: Designing a study for success.
authors.forename: V F
authors.initials: VF
authors.lastname: Engle
authors.forename: M J
authors.initials: MJ
authors.lastname: Graney
mesh_terms: D000368:Aged; D003625:Data Collection / Q000592:standards*; D003627:Data Interpretation, Statistical; D003693:Delirium / Q000209:etiology / Q000517:prevention & control; D005851:Geriatric Nursing / Q000592:standards; D006620:Hip Fractures / Q000601:surgery; D006801:Humans; D009720:Nurse Clinicians / Q000592:standards; D010934:Planning Techniques; D011183:Postoperative Complications / Q000209:etiology / Q000517:prevention & control; D012107:Research Design / Q000592:standards*