Author Question: The two most important potential confounding factors in time-series designs are A) history and ... (Read 27 times)

genevieve1028

  • Hero Member
  • *****
  • Posts: 601
The two most important potential confounding factors in time-series designs are
 
  A) history and instrumentation
  B) selection and regression to the mean
  C) regression to the mean and cohort effects
  D) cohort effects and history

Question 2

By using an interrupted time-series design with a single group of participants, researchers can
 
  A) randomly assign participants to treatment conditions.
  B) take advantage of data already gathered over a long period of time.
  C) create a simulated between-subjects design.
  D) attenuate reliability.



thall411

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

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

thall411

  • Sr. Member
  • ****
  • Posts: 332

 

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?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

For a complete list of videos, visit our video library