« previous next »

Author Question: An experiment is externally valid if: a. the outcome can be attributed to the independent ... (Read 50 times)

arivle123

  • Hero Member
  • *****
  • Posts: 569
on: Jun 20, 2018
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
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Graphic display of hypothetical results of a predator removal experiment. Graphic display of hypothetical results of a predator removal experiment.
Independent assortment of chromosomes at meiosis explains Mendel's ratio Independent assortment of chromosomes at meiosis explains Mendel's ratio
The Hershey-Chase Experiment The Hershey-Chase Experiment
Miller-Urey Experiment Updated Miller-Urey Experiment Updated
Orifice plate & Turbine Flowmeter Experiment Orifice plate & Turbine Flowmeter Experiment
Counterbalancing in the Predator Experiment Counterbalancing in the Predator Experiment
Video: Muscular System Animation

For a complete list of videos, visit our video library