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

Author Question: Why does a good experiment include a control group? a. it increases the number of people in the ... (Read 48 times)

nevelica

  • Hero Member
  • *****
  • Posts: 563
on: Jul 13, 2018
Why does a good experiment include a control group?
 
  a. it increases the number of people in the study, and hence, the generalizability of the results
   b. it gives us information about how participants would perform without experiencing the experimental treatment
  c. it eliminates the effects of external validity
  d. control groups have been an established part of scientific tradition for many decades

Question 2

What important assumption is required of the A-B-A withdrawal design in order to rule out rival hypotheses?
 
  a. that single participants will cooperate with long-term observations
  b. that the participant actually believes that the treatment will have an effect
   c. that the effects of the treatment are reversible upon withdrawal
  d. that the observation of the behavior is valid


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 13, 2018
Answer to Question 1

B

Answer to Question 2

C


nevelica

  • Hero Member
  • *****
  • Posts: 563
Reply #2 on: Jul 13, 2018
Thank you


mfedorka

  • Sr. Member
  • ****
  • Posts: 324
Reply #3 on: Jul 13, 2018
No problemo


« previous next »
 

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

This image captures a protest of people who want the privilege of “naming” themselves. This image captures a protest of people who want the privilege of “naming” themselves.
People are living longer today than in previous decades People are living longer today than in previous decades
Rosenthal and Fode’s Rat Experiment Rosenthal and Fode’s Rat Experiment
People with normal color vision see the number 29 in the chart; however, those who are color-blind c People with normal color vision see the number 29 in the chart; however, those who are color-blind c
he Luria-Delbriick Experiment Demonstrating Are Spontaneous he Luria-Delbriick Experiment Demonstrating Are Spontaneous
Regions involved in the control of genetic expression of the lac operon Regions involved in the control of genetic expression of the lac operon
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library