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 ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...

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 ...

Employers gauge a job candidate's ability to work and learn in an establishment through pre-employment assessments. To make a sound decision in the hiring process, companies should understand how to ...