« previous next »

Author Question: An interrupted time series design lacks a. manipulation of an independent variable b. ... (Read 77 times)

Zoey63294

  • Hero Member
  • *****
  • Posts: 539
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

c

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though methadone is often used to treat dependency on other opioids, the drug itself can be abused. Crushing or snorting methadone can achieve the opiate "rush" desired by addicts. Improper use such as these can lead to a dangerous dependency on methadone. This drug now accounts for nearly one-third of opioid-related deaths.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Time Slows Down Near Matter Time Slows Down Near Matter
If you want to show differences between items at the same time, a bar graph is more effective than a If you want to show differences between items at the same time, a bar graph is more effective than a
Hokusai, Sunshu Ejiri, from the series Thirty-Six Views of Mount Fuji. Hokusai, Sunshu Ejiri, from the series Thirty-Six Views of Mount Fuji.
Structure of a bacterial nucleoid, showing independent domains of supercoiling Structure of a bacterial nucleoid, showing independent domains of supercoiling
Disitive Time For Meat Disitive Time For Meat
We lost the 6th book in the series. After two months, we finally found it. We lost the 6th book in the series. After two months, we finally found it.
Video: Immune responses Animation

For a complete list of videos, visit our video library