Effect of handwashing on the incidence of nosocomial

1. A nurse has conducted a literature review in an effort to identify the effect of handwashing on the incidence of nosocomial (hospital-acquired) infections in acute care settings. An article presented findings at a level of significance of <0.01. This indicates that A) the control group and the experimental group were more than 99% similar. B) the findings of the study have less than 1% chance of being attributable to chance. C) the effects of the intervention were nearly zero. D) the clinical significance of the findings was less than 1:100. Ans: B Feedback: The level of significance is the level at which the researcher believes that the study results most likely represent a nonchance event. A level of significance of <0.01 indicates that there is less than 1% probability that the result is due to chance.