« previous next »

Author Question: In experimental designs, random assignment of participants helps to reduce threats to A) internal ... (Read 88 times)

deesands

  • Hero Member
  • *****
  • Posts: 514
on: Aug 4, 2018
In experimental designs, random assignment of participants helps to reduce threats to
 
  A) internal validity.
  B) external validity.
  C) construct validity.
  D) statistical validity.

Question 2

In an experiment, it is of great importance to employ
 
  A) biased participant assignment.
  B) systematic manipulations of the dependent variable.
  C) payment of participants in order not to rely on volunteers.
  D) random assignment of participants to conditions.


Chocorrol77

  • Sr. Member
  • ****
  • Posts: 313
Reply #1 on: Aug 4, 2018
Answer to Question 1

Answer: A

Answer to Question 2

Answer: D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Medication errors are three times higher among children and infants than with adults.

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.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

The internal organization of cells, tissues, organs, and organ systems in a mammal. The internal organization of cells, tissues, organs, and organ systems in a mammal.
The kidney. Illustration of a sectioned kidney, which reveals its internal features. The kidney. Illustration of a sectioned kidney, which reveals its internal features.
Elements of Experimental Design. Elements of Experimental Design.
Experimental Analysis of Metabolism Experimental Analysis of Metabolism
Recent research suggests that zinc lozenges and nasal gels may help reduce the severity Recent research suggests that zinc lozenges and nasal gels may help reduce the severity
Experimental evidence of cytoplasmic localization in an amphibian oocyte. Experimental evidence of cytoplasmic localization in an amphibian oocyte.
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library