title: Designing clinical research studies: Part II.
abstract: The focus of this article has been to describe common sampling strategies, determine how to decide sample size, consider the three hallmarks of an intervention study, and to describe what should be included in the procedures of the methods section of the study. An effort was made to emphasize material necessary for beginning investigators who would be designing small quantitative clinical studies. Resources are provided for further clarification and amplification.
authors.affiliation: Oregon Health and Sciences University, School of Nursing, Portland, OR, USA.
authors.forename: Joyce
authors.initials: J
authors.lastname: Colling
mesh_terms: D035843:Biomedical Research / Q000379:methods* / Q000706:statistics & numerical data; D012107:Research Design / Q000706:statistics & numerical data