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

Author Question: Which of the following influences on the experimental units can bias the results of an experiment? ... (Read 72 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
on: Jul 24, 2018
Which of the following influences on the experimental units can bias the results of an experiment?
 a. Placebo effect
  b. Hawthorne effect
  c. Not being blinded
  d. All of the above

Question 2

Give an example of an experiment in which it would be unethical to give the control group a placebo.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jharrington11

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

ANY REASONABLE ANSWER OK. EXAMPLE: IN A STUDY OF A NEW DRUG FOR AIDS, THE CONTROL GROUP SHOULD GET THE STANDARD AIDS TREATMENT, NOT A PLACEBO.


acc299

  • Member
  • Posts: 569
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

alexanderhamilton

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

The Environment Influences Gene Expression The Environment Influences Gene Expression
Miller-Urey Experiment Updated Miller-Urey Experiment Updated
These examples of stimuli were used in the experiment by Vinckier et al. (2007). Mouton is the Frenc These examples of stimuli were used in the experiment by Vinckier et al. (2007). Mouton is the Frenc
The Meselson–Stahl experiment proves DNA replicates semiconservatively The Meselson–Stahl experiment proves DNA replicates semiconservatively
Experimental Analysis of Metabolism Experimental Analysis of Metabolism
BLAST results showing a 280-base sequence of a chromosome 12 contig from rats BLAST results showing a 280-base sequence of a chromosome 12 contig from rats
Video: Graded potentials - electrical characteristics and types

For a complete list of videos, visit our video library