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

Author Question: In an experiment, participants are randomly assigned to treatment conditions ____. a. to help ... (Read 186 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
In an experiment, participants are randomly assigned to treatment conditions ____.
 
  a. to help protect the internal validity of the study
 b. to help protect the external validity of the study
 c. to help protect both the internal and external validity
  d. as an alternative to manipulation of variables

Question 2

In sampling notation, NCn refers to the ____.
 
  a. number of cases in the sampling frame
  b. number of cases in the sample
 c. number of possible subsets
 d. sampling fraction



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

a

Answer to Question 2

d





 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

For a complete list of videos, visit our video library