Why is it important for experiments to be externally valid?
a. so that we know that the results of our studies have significance beyond the situation in which they were conducted.
b. so that we know which variables influence which other variables.
c. so that others do not have to duplicate our work later.
d. so that we can control extraneous variables
Question 2
When looking at information on the web for your literature review, which of the following should NOT be important to validate the information?
a. author credentials and email address
b. peer-reviewed references
c. author's opinions
d. preferred domains such as .edu, .gov, or .org
Results of selective breeding for oil content in corn plants.
Examples of the results of sexual selection, a type of natural selection.
Mendel's Monohybrid Experiments p2
This chart illustrates the “drip down” model of government. In this, politics is formed by the soc
The MyPlate icon reinforces important concepts of meal planning
Maternal Serum Screen Results Indicating an Abnormality