Author Question: A two-tailed hypothesis is _____. a. nondirectional c. directional b. bidirectional d. ... (Read 83 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?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

For a complete list of videos, visit our video library