Validity refers to how well your research measures what it claims to measure, while reliability refers to how consistent and replicable your research methods and results are. In this article ...

Validity and reliability are two key concepts in research that measure how well your data and methods reflect the reality and consistency of your study. If you want to improve your skills and ...

In her first column, APS President Randi Martin makes the case for collaborative research that cuts across research areas. In ...

Its validity and reliability were then tested in a population of non-surgical patients with Achilles ... The continuous numerical result of the VISA-A questionnaire has the potential to provide ...

Medical records research — uses historical information collected from medical records of large groups of people to study how diseases progress and which treatments and surgeries work best. To conduct ...

Conclusion Both versions of the new single-item measure performed as well as other short physical activity tools in terms of reliability and concurrent validity. Criterion validity testing of the ...

Aims: To evaluate the feasibility, score distribution, internal consistency, test-retest reliability, and discriminative and concurrent validity of the TAPQOL multi-item scales in preschool children, ...

Methods: People with MS were recruited from the three clinical settings. They completed several health measures. MSIS-29 data were evaluated for data quality, scaling assumptions, acceptability, ...

Inter-rater reliability and various aspects of validity were assessed. In addition this tool was compared to the Wong-Baker self-assessment tool. 1 The children were concurrently scored by a research ...

The Agency for Healthcare Research and Quality (AHRQ) safety culture survey was completed by 190 staff on 10 of these wards. Factor structure, internal reliability, test-retest reliability, ...