Dimensional models of psychopathology may highlight symptom continua, but they do not answer the central question of whether our diagnoses reflect real entities in nature.

Ensuring reliable analytical methods and bioassays requires a well-thought-out strategy for evaluating method validity and systems suitability. Analytical methods and bioassays require a ...

There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...

In 2000, London opened its Millennium pedestrian bridge to the public in a widely celebrated event. The momentous occasion drew large numbers of people, eager to view and experience the bridge first ...