Author Question: Failure of an independent variable to produce changes in a dependent variable is called a a. ... (Read 153 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?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

For a complete list of videos, visit our video library