« previous next »

Author Question: Which approach is most effective in preventing confounding by participant characteristics? a. ... (Read 69 times)

wenmo

  • Hero Member
  • *****
  • Posts: 540
on: Jun 19, 2018
Which approach is most effective in preventing confounding by participant characteristics?
 
  a. matching the characteristics across treatments
  b. randomizing the variable across treatment
 c. including a no-treatment control group
 d. having a placebo control group

Question 2

The proportion of truth in a set of scores across your sample can be thought of as ____.
 
  a. validity
 b. reliability
 c. variability
  d. power


cdmart10

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

Did you know?

Patients who cannot swallow may receive nutrition via a parenteral route—usually, a catheter is inserted through the chest into a large vein going into the heart.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Examination of the Thyroid Gland, Anterior Approach Examination of the Thyroid Gland, Anterior Approach
Characteristics of burns by depth of thermal injury Characteristics of burns by depth of thermal injury
Characteristics of a Eukaryotic Cell Characteristics of a Eukaryotic Cell
Characteristics of Sound: Frequency and Amplitude Characteristics of Sound: Frequency and Amplitude
Effective Leadership and Management in Nursing, 9th Edition Effective Leadership and Management in Nursing, 9th Edition
How to calculate the DRT to determine which is more effective against the pathogen How to calculate the DRT to determine which is more effective against the pathogen
Video: Studying the Left and Right Brain Independently

For a complete list of videos, visit our video library