Author Question: An interrupted time series design lacks a. manipulation of an independent variable b. ... (Read 83 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?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

For a complete list of videos, visit our video library