Author Question: A different factor that could be responsible for an observed effect between two other variables is ... (Read 32 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
A different factor that could be responsible for an observed effect between two other variables is defined as _____________.
 
  a. a matched sample
  b. a third variable
  c. the directionality problem
  d. both a third variable and the directionality problem

Question 2

A researcher finds that there is a relationship between the amount of time college students spend at the library and performance on tests. Specifically, the more time spent at the library, the higher students scored on their exams.
 
  This relationship represents what type of correlation?
  a. A positive correlation
  b. A negative correlation
  c. No correlation
  d. An illusory correlation


jsm54321

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

Answer: b

Answer to Question 2

Answer: a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

For a complete list of videos, visit our video library