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 126 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?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Genetic control of root hair development. Genetic control of root hair development.
The endocrine control of spermatogenesis. The endocrine control of spermatogenesis.
Successful biological control of leafy spurge. Successful biological control of leafy spurge.
Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy Invasive species in Canada include (a) zebra mussels, Dreissena polymorpha, (b) sea lamprey, Petromy
The Hershey-Chase Experiment p2 The Hershey-Chase Experiment p2
Operational Control Operational Control
Video: Mendel's Principles of Inheritance (Father of Genetics)

For a complete list of videos, visit our video library