This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: If the state of Utah were to use an interrupted time-series design to study the effects of raising ... (Read 15 times)

sjones

  • Hero Member
  • *****
  • Posts: 520
on: Aug 4, 2018
If the state of Utah were to use an interrupted time-series design to study the effects of raising its speed limit to 65 mph, what type of confounding variables might present a problem?
 
  A) Confounding due to selection and cohort effects.
  B) Confounding due to history and instrumentation.
  C) Confounding due to maturation and testing.
  D) Confounding due to regression to the mean

Question 2

Interrupted time-series designs are particularly useful in all of the following situations EXCEPT
 
  A) large-scale studies.
  B) evaluating events that have already occurred.
  C) clinical and naturalistic settings.
  D) situations in which it is impossible to make more than one measurement.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pallen55

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: B

Answer to Question 2

Answer: D


sjones

  • Member
  • Posts: 520
Reply 2 on: Aug 4, 2018
Great answer, keep it coming :)

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

The Moon’s Interior and Its Effects on the Moon’s Surface The Moon’s Interior and Its Effects on the Moon’s Surface
Effects of Differences in Solute Concentration on the Movement of Water Molecules Effects of Differences in Solute Concentration on the Movement of Water Molecules
When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive When Union troops pushed toward Richmond in June of 1862, these slaves crossed the Rappahannock Rive
Laylah Ali, Untitled, from the series Greenheads. Laylah Ali, Untitled, from the series Greenheads.
Radiation Side Effects, Healing Time, and Intervention Radiation Side Effects, Healing Time, and Intervention
Summary of Parkinson’s disease effects. Summary of Parkinson’s disease effects.
Video: Stroke volume - contractility definition

For a complete list of videos, visit our video library