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Author Question: In which experimental design is a single, categorical extraneous variable that might affect test ... (Read 113 times)

DelorasTo

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In which experimental design is a single, categorical extraneous variable that might affect test units' responses to the treatment identified and the effects isolated by being blocked out?
 a. completely randomized design
  b. factorial design
  c. randomized-block design
  d. interactive block design

Question 2

The document to the researcher that approves the project, details who has responsibility for it, an describes the resources available to support it is called the:
 a. letter of authorization
  b. letter of transmittal
  c. introductory letter
  d. formality letter



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parker125

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Answer to Question 1

C

Answer to Question 2

A





 

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