This topic contains a solution. Click here to go to the answer

Author Question: An experimenter predicts that a behavior modification program will shorten the length of stay in an ... (Read 31 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
An experimenter predicts that a behavior modification program will shorten the length of stay in an institution for retarded adolescents. The null hypothesis would be _____.
 
  a. the behavior modification program will not shorten the length of stay in the institution
  b. the behavior modification program will not lengthen the length of stay in the institution
  c. the behavior modification program will not affect the length of stay in the institution
  d. all of these are correct

Question 2

An experimenter uses the pretest posttest design to test the effectiveness of a new drug in reducing joint pain. The null hypothesis would state that _____.
 
  a. affects hallucinations
  b. increases hallucinations
  c. the new drug does reduce hallucinations
  d. decreases joint pain



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

meganlapinski

  • Sr. Member
  • ****
  • Posts: 333
Answer to Question 1

A
The alternative hypothesis is directional. Therefore, the effect is to shorten the length of stay in the institution. The null hypothesis states that the treatment (the behavior modification program) does not cause the effect (shorten the length of stay).

Answer to Question 2

C
The null hypothesis states that the treatment (the new drug) does not cause the effect (reduce hallucinations.




oliviahorn72

  • Member
  • Posts: 579
Reply 2 on: Jun 19, 2018
:D TYSM


  • Member
  • Posts:
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

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

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

For a complete list of videos, visit our video library