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 82 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?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

For a complete list of videos, visit our video library