This article will discuss the differences between Windows Communication Foundation (WCF) Simple Object Access Protocol or SOAP and Representational State Transfer or REST services as a solution consideration for a web-centric application.
Concurrent validation definitions. [COLOR=blue][b]Concurrent validation is a subset of prospective validation and is conducted with the intention of ultimately distributing product manufactured during the validation study.
Criterion validity. In psychometrics, criterion or concrete validity is the extent to which a measure is related to an outcome. Criterion validity is often divided into concurrent and predictive validity. Concurrent validity refers to a comparison between the measure in question and an outcome assessed at the same time. Predictive validity, on the other hand, compares the measure in question with an outcome assessed at a later time.