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 109 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
YES! Correct, THANKS for helping me on my review

scikid

  • Member
  • Posts: 300
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Hormonal control of parturition. Hormonal control of parturition.
Operational Control Operational Control
Control of glycogen synthase activity Control of glycogen synthase activity
Control you knife with one hand and hold the item being cut with the other (3 of 3) Control you knife with one hand and hold the item being cut with the other (3 of 3)
Greenhouse Effect Greenhouse Effect
Birth Control Methods and Abortion Birth Control Methods and Abortion
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library