« previous next »

Author Question: Internal validity in an experiment is affected by: a. participant assignment to groups. b. ... (Read 189 times)

jazziefee

  • Hero Member
  • *****
  • Posts: 505
on: Jun 20, 2018
Internal validity in an experiment is affected by:
 
  a. participant assignment to groups.
  b. representatives of the sample.
  c. participant selection procedures.
  d. external validity.

Question 2

To select participants from a pool of potential participant, you should not:
 
  a. use a computerized random number generator.
  b. draw names from a hat.
  c. select names from a list without trying to pay attention to who the individuals are.
  d. use a random number table.


Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

jazziefee

  • Hero Member
  • *****
  • Posts: 505
Reply #2 on: Jun 20, 2018
Thank you!


Jadwiga9

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Jun 20, 2018
Happy to help


« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

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.

Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli. Experiment of Lederberg and Tatum demonstrating gene transfer in E. coli.
The internal anatomy of the kidney. The internal anatomy of the kidney.
Pavlov’s Salivary Conditioning Experiment (2 of 2) Pavlov’s Salivary Conditioning Experiment (2 of 2)
An Example of an Electrical Stimulation Experiment An Example of an Electrical Stimulation Experiment
A pedigree for a rare autosomal recessive trait. In these pedigrees, most affected individuals have A pedigree for a rare autosomal recessive trait. In these pedigrees, most affected individuals have
The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not The karyotype of an XYY male. Affected individuals are usually taller than normal, and some, but not
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library