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Author Question: The conventional method of controlling the influence of contaminating variables in a laboratory ... (Read 91 times)

Metfan725

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  • Posts: 552
on: Jul 1, 2018
The conventional method of controlling the influence of contaminating variables in a laboratory experiment is to
 
  a. have a larger experimental group.
  b. select a control group as well as an experimental group.
  c. use more independent variables than dependent variables.
  d. have no control group.
  e. select only those variables about which one can be positive of their impact.

Question 2

In an experiment, the experimental variable is applied to the ____.
 
  a. population
  b. experimental group
  c. control group
  d. larger group
  e. random sample


momo1250

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Reply #1 on: Jul 1, 2018
Answer to Question 1

B

Answer to Question 2

B


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