external study validity — išorinis tyrimo pagrįstumas statusas T sritis biomedicinos mokslai apibrėžtis Tyrimo apibūdinimas, rodantis, ar dėsningumai, nustatyti tiriant tam tikrą asmenų grupę, tinka visai ↑populiacijai. atitikmenys: angl. external study validity ryšiai:… … Lithuanian dictionary (lietuvių žodynas)
internal study validity — vidinis tyrimo pagrįstumas statusas T sritis biomedicinos mokslai apibrėžtis Tyrimo apibūdinimas, rodantis tirtos grupės nustatytų dėsningumų tikrumą. Vidinį tyrimo pagrįstumą mažina ↑sisteminės ir ↑atsitiktinės klaidos. atitikmenys: angl.… … Lithuanian dictionary (lietuvių žodynas)
Validity (statistics) — In psychology, validity has two distinct fields of application. The first involves test validity, a concept that has evolved with the field of psychometrics but which textbooks still commonly gloss over in explaining that it is the degree to… … Wikipedia
validity — An index of how well a test or procedure in fact measures what it purports to measure; an objective index by which to describe how valid a test or procedure is. concurrent v. an index of criterion related v. used to predict performance in a real… … Medical dictionary
validity — n. an indication of the extent to which a clinical sign or test is a true indicator of disease. Reduced validity can arise if the tests produce different results when conducted several times on the same person under identical conditions (i.e.… … The new mediacal dictionary
Study heterogeneity — Meta analysis is a method used to combine the results of different trials in order to obtain a quantified synthesis. The size of individual clinical trials is often too small to detect treatment effects reliably. Meta analysis increases the power … Wikipedia
Internal validity — is the validity of (causal) inferences in scientific studies, usually based on experiments as experimental validity [ Mitchell, M. and Jolley, J. (2001). Research Design Explained (4th Ed) New York:Harcourt.] . Details Inferences are said to… … Wikipedia
Ecological validity — is a form of validity in a research study. For a research study to possess ecological validity, the methods, materials and setting of the study must approximate the real life situation that is under investigation.Brewer, M. (2000). Research… … Wikipedia
External validity — is the validity of generalized (causal) inferences in scientific studies, usually based on experiments as experimental validity. [ Mitchell, M. Jolley, J. (2001). Research Design Explained (4th Ed) New York:Harcourt.] Inferences about cause… … Wikipedia
Predictive validity — In psychometrics, predictive validity is the extent to which a score on a scale or test predicts scores on some criterion measure.For example, the validity of a cognitive test for job performance is the correlation between test scores and, for… … Wikipedia
