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 294 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
:D TYSM

meganmoser117

  • Member
  • Posts: 303
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o Negative control of an inducible set of genes: function of the lac repressor in regulating the lac o
Genome sizes among selected groups of eukaryotes Genome sizes among selected groups of eukaryotes
Common Physical and Mental Health Problems of Different Cultural Groups Common Physical and Mental Health Problems of Different Cultural Groups
A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ... A typical variable cam timing control valve. The solenoid is controlled by the engine computer and ...
Birth Control Methods and Abortion Birth Control Methods and Abortion
Animated! Organisms are classified into groups according to their characteristics Animated! Organisms are classified into groups according to their characteristics
Video: Osmosis - Isotonic, Hypotonic, and Hypertonic​ Solutions

For a complete list of videos, visit our video library