Medindia

Assessing Validity of Short Food Frequency Questionnaire on the Dietary Intake in Elderly Iceland Population

The present diet part involves questions on intake of food groups such as milk and dairy products, bread, meat, fish, fruits and vegetables. It also involves questions on selective food intake such as ...
ascopubs.org

Concurrent validity and accuracy of the short-form of international physical activity questionnaire (SF-IPAQ) in a population of Spanish cancer survivors.

Survival in veterans with lung cancer: Cancer cachexia and the importance of weight. This is an ASCO Meeting Abstract from the 2015 ASCO Annual Meeting I. This abstract does not include a full text ...
BMJ

Validity, reliability and responsiveness of patient-reported outcome questionnaires when assessing hip and groin disability: a systematic review

Background Novel treatment interventions are advancing rapidly in the management of hip and groin disability in the physically active young to middle-aged population. Objective To recommend the most ...
Psychology Today

The Validity of Psychological Research

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 ...