« previous next »

Author Question: In which research situation would the study be confounded? a. An extraneous variable varies ... (Read 97 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jun 19, 2018
In which research situation would the study be confounded?
 
  a. An extraneous variable varies systematically along with the two variables being studied.
 b. Two or more extraneous variables vary systematically together.
 c. An extraneous variable does not vary systematically with the other variables being investigated.
  d. An extraneous variable does not vary systematically with other extraneous variables.

Question 2

The larger the within-groups (error) variance
 
  a. the more difficult it becomes to show the effects of experimental treatment.
  b. the easier it becomes to show the effects of experimental treatment.
  c. the more difficult it becomes to perform the F test.
 d. the easier it becomes to show a causal effect of the independent variable on the dependent variable.


covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jun 19, 2018
Answer to Question 1

a

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Solar Energy Input Varies with Latitude Solar Energy Input Varies with Latitude
Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells Stem Cell Research Could Expand Clinical Use of Regenerative Human Cells
Biochem study guides Biochem study guides
Variable Gases of the Atmosphere Variable Gases of the Atmosphere
Nutrition-related research findings are often lead stories in newspapers, magazines, and on websites Nutrition-related research findings are often lead stories in newspapers, magazines, and on websites
Controlled Scientific Experiments Scientists use experimental research to test hypotheses Controlled Scientific Experiments Scientists use experimental research to test hypotheses
Video: Nucleic acid digestion - brush border enzymes, end products & transport mechanism

For a complete list of videos, visit our video library