« previous next »

Author Question: When can a variable be considered extraneous? A) Only when it is assumed to influence the ... (Read 103 times)

mmm

  • Hero Member
  • *****
  • Posts: 558
on: Jun 20, 2018
When can a variable be considered extraneous?
 
  A) Only when it is assumed to influence the independent variable
  B) Only when it is assumed to influence the dependent variable
  C) Only when it is assumed to influence the control or treatment group
  D) Only when it is assumed to influence the researcher

Question 2

In designing an experiment it is important that the ____________ and the ___________ be as similar as possible.
 
  A) Independent variable : Dependent variable
  B) Independent variable : Control group
  C) Dependent variable : Control group
  D) Experimental group : Control group


dajones82

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Rearing temperatures influence the pigmentation of the clear-winged grasshopper. Rearing temperatures influence the pigmentation of the clear-winged grasshopper.
Influence of nutritional intake Influence of nutritional intake
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
Influence of substrate concentration on the rate of an enzyme-catalyzed reaction. Influence of substrate concentration on the rate of an enzyme-catalyzed reaction.
Generation of diversity by variable V-J joining mechanisms Generation of diversity by variable V-J joining mechanisms
Variable penetrance of mitochondrial mutations Variable penetrance of mitochondrial mutations
Video: Secretin (inhibiting gastric acid secretion), Cholecystokinin (fat digestion) & Cholecystokinin

For a complete list of videos, visit our video library