The problem of under-powering in nursing research.
King
K M
KM
D015982:Bias; D006801:Humans; D015399:Nursing Research / Q000193:education / Q000592:standards*; D011361:Professional Competence / Q000592:standards; D015203:Reproducibility of Results; D012107:Research Design / Q000592:standards*; D018401:Sample Size