This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An experimenter predicts that a behavior modification program will shorten the length of stay in an ... (Read 10 times)

oliviahorn72

  • Hero Member
  • *****
  • Posts: 579
on: Jun 19, 2018
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
Reply #1 on: Jun 19, 2018
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
YES! Correct, THANKS for helping me on my review

Dinolord

  • Member
  • Posts: 313
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Risk-taking behavior by young males. Risk-taking behavior by young males.
Neural Circuits and Maternal Behavior Neural Circuits and Maternal Behavior
Serotonin and Risk-Taking Behavior Serotonin and Risk-Taking Behavior
Caudate Nucleus and Stereotyped Behavior in Autism Caudate Nucleus and Stereotyped Behavior in Autism
Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada Telomere length is related to the amount of time adults spend in leisure time activity. Source: Ada
An 8th grade class develops a linear model that predicts the number of cheerios (a small round ... An 8th grade class develops a linear model that predicts the number of cheerios (a small round ...
Video: Embryonic development - week 1 and 2

For a complete list of videos, visit our video library