Author Question: An experiment is externally valid if: a. the outcome can be attributed to the independent ... (Read 59 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
An experiment is externally valid if:
 
  a. the outcome can be attributed to the independent variable only.
  b. the results generalize to other settings.
  c. the results are attributed only to external variables.
  d. there are no alternative explanations of the findings.

Question 2

An experiment is internally valid if:
 
  a. the outcome can be attributed to the independent variable only.
  b. the results generalize to other settings.
  c. the results may be attributed to either the independent variable or a confounding variable.
  d. the internal variables are operationally defined.



harveenkau8139

  • Sr. Member
  • ****
  • Posts: 304
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

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?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

For a complete list of videos, visit our video library