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

Author Question: How can scientific studies control for the Hawthorne effect, placebo effect, and researcher ... (Read 42 times)

frankwu

  • Hero Member
  • *****
  • Posts: 549
on: Aug 20, 2018
How can scientific studies control for the Hawthorne effect, placebo effect, and researcher bias?

Question 2

Synthesis of norepinephrine and collagen requires _____.
 a. selenium
  b. zinc
  c. copper
  d. iron


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebe

  • Sr. Member
  • ****
  • Posts: 320
Reply #1 on: Aug 20, 2018
Answer to Question 1

To control for Hawthorne effect, placebo effect, and researcher bias, scientists use blinding (especially double-blinding); use randomization; and control for confounding variables.

Answer to Question 2

c


frankwu

  • Member
  • Posts: 549
Reply 2 on: Aug 20, 2018
Wow, this really help

irishcancer18

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

Climatic cause and effect linkages Climatic cause and effect linkages
Feedback control of the adrenal cortex. Feedback control of the adrenal cortex.
Factors Affecting Saturation and Condensation: Effect of Curvature Factors Affecting Saturation and Condensation: Effect of Curvature
Demographic change and the effect on people social, and economic life Demographic change and the effect on people social, and economic life
Mechanisms of negative control of transcription Mechanisms of negative control of transcription
An example of an allosteric effect An example of an allosteric effect
Video: Fetal Development of the Cardiovascular System

For a complete list of videos, visit our video library