validity

(redirected from Predictive validity)
Also found in: Dictionary, Thesaurus, Medical, Legal, Wikipedia.

validity

[və′lid·əd·ē]
(mathematics)
Correctness; especially the degree of closeness by which iterated results approach the correct result.

validity

the extent to which a measure, indicator or method of data collection possesses the quality of being sound or true as far as can be judged. For example, if a psychological measure, such as an intelligence test, is considered to be valid, this means that it is thought to measure what it sets out to measure. If social survey observations are said to have produced valid data, then they are considered to be true reflection of the phenomenon being studied in the population being studied (e.g. projections of voting behaviour), and the survey method could be said to have validity. Compare RELIABILITY.

In practice, in sociology and the social sciences generally, the relation between indicators and measures on the one hand and the underlying concepts they are taken to represent is often contested (see OFFICIAL STATISTICS, MEASUREMENT BY FIAT).

References in periodicals archive ?
Next, we present our LCA and predictive validity analyses by providing background on the methods, illustrating the approach with edTPA data from our Partner University, and detailing how TPPs can use the evidence generated by these analyses for program improvement.
The predictive validity was evaluated by the correlation with oral health outcomes because there is ample evidence about the influence of OHL in the prevalence and severity of oral diseases (3).
Predictive validity test of the Adolescent Domain Screening Inventory.
Once it was determined that a two factor, 18-item measure best captured the data, we tested the measure's internal consistency reliability, test-retest reliability, and predictive validity. Results indicated that the revised scale shows very good internal consistency reliability ([alpha] = .86).
These findings indicate high predictive validity for both empirical models.
The CSAP has been tested for content, construct, discriminate, and predictive validity; all are within acceptable levels.
Ideally, a study of predictive validity would be longitudinal, tracking the out-comes of students over at least three years, from the point when they complete each exam (in 10th grade) to the end of their first year in college.
Keywords: Medical and Dental Colleges Admission Test Aptitude test Health Professional education Selection process Predictive validity. (JPMA 64: 1132; 2014)
INTRODUCTIONKeywords: Predictive Validity Analysis, Recalibrated Models, Combined ModelsMeasurement and prediction during the development process are essential for the production of high integrity software.
Their research is specific to a particular test--the Psychometric Entrance Test used for admissions to universities in Israel, and the examples they use to illustrate this type of evidence focus on predictive validity. Specifically, they take a predictive validity approach to evaluate the best means of weighting subscores from this high-stakes admissions test to form composites that enhance the predictive validity of the assessment.
"The finding that smokers smoking from a plain pack evidenced more frequent thought about, and priority for quitting, than branded pack smokers is important, since frequency of thoughts about quitting has strong predictive validity in prospective studies for actually making a quit attempt," the study said.
The researchers said: 'The finding that smokers smoking from a plain pack evidenced more frequent thought about, and priority for, quitting than branded pack smokers is important, since frequency of thoughts about quitting has strong predictive validity in prospective studies for actually making a quit attempt.

Full browser ?