assessing the validity of diagnostic tests

Assessing the Validity of Diagnostic Tests

Assessing the Validity of Diagnostic Tests

To provide effective health services, it is important to distinguish populations of people with and without diseases. Accurate diagnosis of diseases is important for delivering the appropriate treatments, implementing preventive programs in the community, and finding the causes and etiology of diseases. Therefore, a special attention should be paid to the quality of diagnostic tests. Instead of...

the washback effect of discretepoint vs. integrative tests on the retention of content in knowledge tests

در این پایان نامه تاثیر دو نوع تست جزیی نگر و کلی نگر بر به یادسپاری محتوا ارزیابی شده که نتایج نشان دهندهکارایی تستهای کلی نگر بیشتر از سایر آزمونها است

Assessing the usefulness of diagnostic tests.

Ideally, to ascertain the usefulness of a given medical treatment, investigators organize broad multicenter trials, such as the North American Symptomatic Carotid Endarterectomy Trial (NASCET) (1), in which they can compare outcomes in a sufficiently large number of patients. One could argue that a comparable method should be used for the evaluation of diagnostic tools. After all, it ultimately...

Validity and Reliability of the Diagnostic Tests for Ménière's Disease.

Ménière's disease is defined as an idiopathic syndrome characterized by endolymphatic hydrops. Various tests and measurement methods have been employed for the diagnosis of Ménière's disease. These include audiological, vestibular, radiological, clinical, and biochemical tests. However, the lack of a definitive or gold standard diagnostic test sometimes complicates the process of diagnosis. Hen...

Assessing the diagnostic accuracy of a sequence of tests.

We consider the assessment of the overall diagnostic accuracy of a sequence of tests (e.g. repeated screening tests). The complexity of diagnostic choices when two or more continuous tests are used in sequence is illustrated, and different approaches to reducing the dimensionality are presented and evaluated. For instance, in practice, when a single test is used repeatedly in routine screening,...