Easy to understand measurement reliability and validity

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However, to be able to formulate accurate profiles, the method of assessment being employed must be accurate, unbiased, and relatively error-free. Such profiles are also constructed in courts to lend context and justification to legal cases, in order to be able to resolve them quickly, judiciously, and efficiently. Career counselors employ a similar approach to identify the field most suited to an individual. Such profiles are often created in day-to-day life by various professionals, e.g, doctors create medical and lifestyle profiles of the patient in order to diagnose and treat health disorders, if any.

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The data obtained via this process is then interlinked and integrated to form a rounded profile of the individual. It is an exhaustive process that examines and measures all aspects of an individual’s identity. The science of psychometrics forms the basis of psychological testing and assessment, which involves obtaining an objective and standardized measure of the behavior and personality of the individual test taker.

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