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

Author Question: In randomized controlled trials, researchers assign participants to treatment or control groups ... (Read 307 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jun 21, 2018
In randomized controlled trials, researchers assign participants to treatment or control groups randomly. What is the best definition of random as it applies to this?
 
  A) Group assignment is haphazard and not systematic.
  B) Participants are unaware of their group assignment.
  C) Researchers are unaware of the group assignments
  D) Everyone has an equal chance in group assignment.

Question 2

Natural experiments in epidemiology are most similar to what kind of psychology study?
 
  A) Experimental
  B) Ex post facto
  C) Correlational
  D) Observational


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

onowka

  • Sr. Member
  • ****
  • Posts: 353
Reply #1 on: Jun 21, 2018
Answer to Question 1

D

Answer to Question 2

B


craiczarry

  • Member
  • Posts: 527
Reply 2 on: Jun 21, 2018
YES! Correct, THANKS for helping me on my review

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f Model of a sequential study in which two cohorts were followed beginning at age 20. One cohort was f
Drugs for the Treatment of Allergic Conjunctivitis Drugs for the Treatment of Allergic Conjunctivitis
A magnetically controlled vane phaser. A magnetically controlled vane phaser.
The schematic of a variable valve timing control circuit, showing that battery power (+) is being ... The schematic of a variable valve timing control circuit, showing that battery power (+) is being ...
Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ... Visual tracking of a pendulum by a normal control subject (top) and three schizophrenics. (Adapted ...
Experimental demonstration of respiratory control Experimental demonstration of respiratory control
Video: Introduction to Heart Attacks

For a complete list of videos, visit our video library