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 67 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
Great answer, keep it coming :)

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

When taking monoamine oxidase inhibitors, people should avoid a variety of foods, which include alcoholic beverages, bean curd, broad (fava) bean pods, cheese, fish, ginseng, protein extracts, meat, sauerkraut, shrimp paste, soups, and yeast.

Homeostatic Control Mechanisms Homeostatic Control Mechanisms
Heat Exchanger Block Diagram Feedforward Control Heat Exchanger Block Diagram Feedforward Control
Negative feedback control of the female reproductive hormones. Negative feedback control of the female reproductive hormones.
Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD Drugs Used in the Treatment of Peptic Ulcer Disease (PUD) and GERD
Vitamin A can aid in the treatment of acne Vitamin A can aid in the treatment of acne
A simplified overview of the genes and regulatory units involved in the control of lactose metabolis A simplified overview of the genes and regulatory units involved in the control of lactose metabolis
Video: Digestive System Animation

For a complete list of videos, visit our video library