The validity and reliability of observational methods for studying medication administration errors (MAEs) were studied. Between January and June 1998, two pharmacists observed consecutive drug ...

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 new method of observing and measuring interactions between students and teachers could have interesting impacts on academic achievement. Research has shown that interactions between students and ...