Author Question: An interrupted time series design lacks a. manipulation of an independent variable b. ... (Read 42 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
An interrupted time series design lacks
 
  a. manipulation of an independent variable
  b. statistical control over many extraneous variables
  c. a control group
  d. external validity

Question 2

A single group of subjects is measured on a certain variable at periodic intervals and the experimental treatment is administered between two of these intervals. This is an example of the ______ design.
 
  a. repeated treatment
  b. regression discontinuity
  c. delayed control group
  d. interrupted time series



deja

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

c

Answer to Question 2

d



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

For a complete list of videos, visit our video library