Instrumental variable methods are a third analytic approach that estimate the effect of an intervention in observational data without requiring the factors that differ between the intervention groups ...

Comparative effectiveness research increasingly is being recognized as a priority area in cancer research. Although researchers have been conducting comparative effectiveness research for decades, ...

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 ...

In Figures (a) and (b), the colors depict the uncertainty levels before and after applying optimal observations. In Figure (b), the labeled points and numbers indicate the positions of mooring sites ...

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 ...

3 Faculty of Kinesiology and Physical Education & Graduate Department of Rehabilitation Science, University of Toronto, Toronto, Ontario, Canada 4 Faculty of Kinesiology and Hotchkiss Brain Institute, ...

Companies need a blend of quantitative and qualitative data for a comprehensive view of their customers. The purpose of observational research is to understand what people are doing. The purpose of ...