Author Question: A two-tailed hypothesis is _____. a. nondirectional c. directional b. bidirectional d. ... (Read 84 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
A two-tailed hypothesis is _____.
 
  a. nondirectional c. directional
  b. bidirectional d. confusing

Question 2

One form that a directional hypothesis could take would be to state that the mean of the treatment group _____ the mean of the control group.
 
  a. is the same as c. is more variable than
  b. is not the same as d. is higher than



katkat_flores

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

A
Another name for a nondirectional hypothesis is two-tailed hypothesis because it includes changes in the dependent variable that occur in either direction.

Answer to Question 2

D
A directional hypothesis states the direction of the expected change. One form that this takes is to indicate which group mean is expected to be higher than the other.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

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

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

For a complete list of videos, visit our video library