title: Considerations for the design and analysis of experimental studies in physical activity and exercise promotion: advantages of the randomised controlled trial.
authors.affiliation: Department of Primary Care and Population Sciences, Royal Free and University College London Medical Schools, Archway Resource Centre, UK. s.seetai@ucl.ac.uk
authors.forename: S S
authors.initials: SS
authors.lastname: Tai
authors.forename: S
authors.initials: S
authors.lastname: Iliffe
mesh_terms: D015982:Bias; D003627:Data Interpretation, Statistical; D015444:Exercise; D006293:Health Promotion; D006801:Humans; D017063:Outcome Assessment, Health Care / Q000379:methods; D011897:Random Allocation; D016032:Randomized Controlled Trials as Topic / Q000379:methods*; D012107:Research Design; D018401:Sample Size