« previous next »

Author Question: External validity is mostly concerned with a) The accuracy of experimental hypotheses b) The ... (Read 73 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
on: Jun 22, 2018
External validity is mostly concerned with
 
  a) The accuracy of experimental hypotheses
  b) The importance of applying the findings of experiments to different samples
  c) The generalizability of the findings beyond the setting and sample of the experiment
  d) The validity and appropriateness of using lab research in natural settings

Question 2

What is typically done to reduce the possibility of selection biases?
 
  a) Choose the sample from a population that is believed to be very similar.
  b) Control for the similarity of experimental participants.
  c) Use random assignment to place participants into different experimental conditions.
  d) Add a control group to the experiment.


matt95

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jun 22, 2018
Answer to Question 1

Correct Answer: c

Answer to Question 2

Correct Answer: c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

CBme

  • Hero Member
  • *****
  • Posts: 548
Reply #2 on: Jun 22, 2018
Thank you


matt95

  • Sr. Member
  • ****
  • Posts: 317
Reply #3 on: Jun 22, 2018
No problem :)


« previous next »
 

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

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?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Internal and external hemmorrhoids. Internal and external hemmorrhoids.
External intercostals External intercostals
Experimental Treatment of a Prion Protein Infection Experimental Treatment of a Prion Protein Infection
Internal and External Loci of Control Internal and External Loci of Control
The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b) The experimental system that permits observation of rotation in the F1 component of F1F0 ATP (b)
Directional artificial selection favoring the AdhF allele in experimental Drosophila populations. Directional artificial selection favoring the AdhF allele in experimental Drosophila populations.
Video: Splitting of Sugar, Oxidation/ Reduction & ATP Generation

For a complete list of videos, visit our video library