This topic contains a solution. Click here to go to the answer

Author Question: What is the term for unwanted variables that may affect the outcome of the study? a) false ... (Read 28 times)

fbq8i

  • Hero Member
  • *****
  • Posts: 527
What is the term for unwanted variables that may affect the outcome of the study?
 
  a) false variable
  b) deviation
  c) confound
  d) third variable
  e) invalidity

Question 2

Which of the following substances can X-rays penetrate?
 
  a) wood
  b) metal
  c) human tissue
  d) only a and c
  e) all of the above



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Beatricemm

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: C

Answer to Question 2

Answer: E





 

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

For a complete list of videos, visit our video library