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Author Question: If the measurement process involves high systematic error and low random error, the measurements are ... (Read 138 times)

robinn137

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on: Jun 29, 2018
If the measurement process involves high systematic error and low random error, the measurements are
 a. valid but not reliable c. reliable but not valid
  b. valid and reliable d. neither valid nor reliable

Question 2

When a local television station sends a crew to interview joggers in the city park on a beautiful spring day, this represents what type of sample?
 a. cluster sample
  b. multistage area sample
  c. systematic sample
  d. convenience sample


emily12345

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Reply #1 on: Jun 29, 2018
Answer to Question 1

C
Validity means low systematic error; reliability means low random error. Therefore, high systematic error and low random error means reliable but not valid. The measure gets consistent results, but it is not measuring what it was designed to measure.

Answer to Question 2

D


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robinn137

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Reply #2 on: Jun 29, 2018
Thank you :)


emily12345

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Reply #3 on: Jun 29, 2018
Happy to help you


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