The study was part of a large observational study of MAEs in a U.K. teaching hospital and took place between January and June 1998. [22] Two approaches were used to identify any effects of observation ...

Observational Methods The emergence of comparative effectiveness has led to a renewed interest in the role of observational studies for assessing the benefits and harms of alternative interventions.

A study comparing different statistical methods used to remove the effects of selection bias in observational studies finds that results may vary and caution may be warranted when interpreting ...

How to study the stages children go through as they play together has been highlighted in new research. How to study the stages children go through as they play together has been highlighted in new ...

Observation of nurses during drug administration at a U.K. hospital did not significantly affect the MAE rate; nor did tactful interventions made by the observers to prevent serious errors. Observer ...