« previous next »

Author Question: A threat to internal validity that refers to the fact that the researcher knows the research ... (Read 76 times)

go.lag

  • Hero Member
  • *****
  • Posts: 667
on: Jun 19, 2018
A threat to internal validity that refers to the fact that the researcher knows the research hypothesis and thus causes an invalid confirmation of the research hypothesis is known as
 
  a. a demand characteristic.
  b. experimenter bias.
  c. a placebo effect.
  d. an informed experimenter effect.

Question 2

Experimenter bias refers to
 
  a. the mistreatment of participants.
  b. the participants' interpretation of the experimental manipulation.
  c. differences in the participants' responses to the experimental manipulation.
  d. differences in how the experimenter treats the participants.


ricroger

  • Sr. Member
  • ****
  • Posts: 352
Reply #1 on: Jun 19, 2018
Answer to Question 1

b

Answer to Question 2

d


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

The internal female reproductive organs The internal female reproductive organs
Much time and effort occurs between the development of a research idea and the statistical analysis Much time and effort occurs between the development of a research idea and the statistical analysis
Palpation of internal carotid artery Palpation of internal carotid artery
Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ... Snap-ring pliers are also called lock-ring pliers, and they are designed to remove internal and ...
Research Terminology Cont. Research Terminology Cont.
Research Methods Research Methods
Video: Morphology of a tomato plant

For a complete list of videos, visit our video library