Author Question: The two most important potential confounding factors in time-series designs are A) history and ... (Read 79 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?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

For a complete list of videos, visit our video library