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 16 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

Bigfoot1984

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Neural Circuitry in Defensive Behavior and Predation Neural Circuitry in Defensive Behavior and Predation
Sample Program for Changing Daily Caloric Intake (cont.) Sample Program for Changing Daily Caloric Intake (cont.)
If toes are curled, straighten them with effleurage along the length of each toe. Use thumb on top ... If toes are curled, straighten them with effleurage along the length of each toe. Use thumb on top ...
Get Fit, Stay Well! Brief Edition Plus Mastering Health Get Fit, Stay Well! Brief Edition Plus Mastering Health
Find the length of x to the nearest tenth of a unit. Find the length of x to the nearest tenth of a unit.
The allowable compressive bearing capacity of a soil is 8000 psf. What should be the length of ... The allowable compressive bearing capacity of a soil is 8000 psf. What should be the length of ...
Video: Protein catabolism - deamination

For a complete list of videos, visit our video library