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Author Question: What is meant by the reliability of measurement and describe three methods for measuring ... (Read 69 times)

james

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on: Jun 19, 2018
What is meant by the reliability of measurement and describe three methods for measuring reliability.
 
  What will be an ideal response?

Question 2

Aware of the controversy surrounding dietary treatments for autism spectrum disorders, Rebecca identifies relevant research and then uses statistical methods to combine the results of similar studies quantitatively in order to allow general conclusions to be made. Her work is best described as ____.
 
  a. multivariate analysis
  b. meta-analysis
 c. literature review
 d. systematic review


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mammy1697

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Reply #1 on: Jun 19, 2018
Answer to Question 1

Reliability refers to the consistency of the measurements. A measurement procedure is reliable if the same individuals measured under the same conditions produce the same (or very similar) scores. Reliability can be established over time by using test-retest reliability. The same group of individuals is measured under the same conditions at two different times. If the two measurements are the same or similar, the measurement is reliable. You can also establish the internal consistency of a test or questionnaire consisting of several items by measuring split-half reliability. The full set of items is divided in half and a separate score is computed for each half. If the two scores agree, the measurement is reliable. Finally, it is possible to demonstrate the reliability of measurement with inter-rater reliability. Two separate individuals observe and record behavior simultaneously. If their two recordings agree, the measurement is reliable.

Answer to Question 2

b


james

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Reply 2 on: Jun 19, 2018
Great answer, keep it coming :)

sarah_brady415

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Reply 3 on: Yesterday
Gracias!

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