This topic contains a solution. Click here to go to the answer

Author Question: In which experimental design is a single, categorical extraneous variable that might affect test ... (Read 132 times)

DelorasTo

  • Hero Member
  • *****
  • Posts: 548
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

parker125

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

C

Answer to Question 2

A





 

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

Vaccines prevent between 2.5 and 4 million deaths every year.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

For a complete list of videos, visit our video library