« previous next »

Author Question: In experimental designs, random assignment of participants helps to reduce threats to A) internal ... (Read 81 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?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

Loewi's experimental discovery of chemical neurotransmission. Loewi's experimental discovery of chemical neurotransmission.
A client is having an endoscopy performed by a physician who views the upper gastrointestinal intern A client is having an endoscopy performed by a physician who views the upper gastrointestinal intern
Development of the Internal Sex Organs Development of the Internal Sex Organs
Millikan Oil-Drop Experiment – Experimental Set-Up Millikan Oil-Drop Experiment – Experimental Set-Up
Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers. Schematic representations of (a) random, (b) alternating, (c) block, and (d) graft copolymers.
Experimental demonstration of membrane fluidity Experimental demonstration of membrane fluidity
Video: Stomach peristalsis & Enterogastric reflex

For a complete list of videos, visit our video library