Lecs7&8Validity&ReliabilityofAnalyticTests(Revised07)-1

Lecs7&8Validity&ReliabilityofAnalyticTests(Revised07)-1

Info iconThis preview shows pages 1–9. Sign up to view the full content.

View Full Document Right Arrow Icon
Validity and Reliability of Analytical Tests
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Analytical Tests include both: Screening Tests Diagnostic Tests
Background image of page 2
To distinguish between people in the population who have the diseases and those who do not To determine how good the test is in separating populations of people with and without the disease in question? To distinguish between people in the population who have the diseases and those who do not To determine how good the test is in separating populations of people with and without the disease in question?
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Epidemiological Surveillance vs. Screening
Background image of page 4
Epidemiological Surveillance What is it? Why do it?
Background image of page 5

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Epidemiological Surveillance Definition - ongoing & systematic collection, analysis & interpretation of data Two types Passive Surveillance – uses available data or reporting from health care provider or regional health officer Active Surveillance – periodic field visits to health care facilities to identify new cases The present approach is the survey
Background image of page 6
Epidemiological Surveillance Why do it? Can help discover and control the transmission of infectious diseases Prevention and control programs can be planned and implemented
Background image of page 7

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Screening Definition - use of quick and simple testing procedures to identify and separate persons: who have a disease from those that do not OR who are apparently (appear to be) well, but who may be at risk of a disease, from those who probably don’t have the disease.
Background image of page 8
Image of page 9
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 12/21/2011 for the course STEP 1 taught by Professor Dr.aslam during the Fall '11 term at Montgomery College.

Page1 / 35

Lecs7&8Validity&ReliabilityofAnalyticTests(Revised07)-1

This preview shows document pages 1 - 9. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online