Certainly when testing the short term validity of the model presented in the paper, most people would look to Scenario A for comparisons to actual data. (climateaudit.org)
This study examined the empirical validity of a model of human motivation as it applies to school success and failure in 3 independent samples of 10 - to 16 - year - old African - American youth. (semanticscholar.org)
The «validity of models [are] not established,» Callegari wrote. (insideclimatenews.org)