Author Question: The two most important potential confounding factors in time-series designs are A) history and ... (Read 56 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?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

For a complete list of videos, visit our video library