Author Question: Failure of an independent variable to produce changes in a dependent variable is called a a. ... (Read 162 times)

crobinson2013

  • Hero Member
  • *****
  • Posts: 535
Failure of an independent variable to produce changes in a dependent variable is called a
 
  a. statistical error.
  b. failure to replicate.
  c. null result.
  d. confound.

Question 2

Which of the following is not a type of quasi-experimental design?
 
  a. nonequivalent control group posttest-only design
  b. correlated-groups design
 c. multiple-group time-series design
 d. nonequivalent control group pretest/posttest design



ladyjames123

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

C

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

For a complete list of videos, visit our video library