Misdiagnosis and mismanagement of the patients in routine clinical care cannot be avoided using inappropriate tests to assess reliability and validity. Sabour S . Validity of chronic obstructive ...

The information needed to determine the internal and external validity of an experimental study is discussed. Internal validity is the degree to which a study establishes the cause-and-effect ...

The Journal of Experimental Education publishes basic and applied-research studies that use the range of quantitative and qualitative methodologies found in the behavioral, cognitive, and social ...

In recent years, there has been an increasing interest in unethical work behavior. Several types of survey instruments to collect information about unethical work behavior are available. Nevertheless, ...

Some of the landmark clinical trials comparing transcatheter aortic valve replacement versus surgery in aortic stenosis may not be completely reliable, say the authors of a new systematic review and ...