Explain why control of extraneous variables is a necessary ...

[mikaylakyoung]

Explain why control of extraneous variables is a necessary component of an experiment.
 
  What will be an ideal response?

Question 2

When you know that a measure is nominal, you know that the numerical values are simply placeholders for the text names.
 
  a. True
  b. False
  Indicate whether the statement is true or false

[kaillie]

Answer to Question 1

In an experiment, control of extraneous variables is necessary to avoid the third-variable problem. Specifically, the experiment must rule out the possibility that any variable, other than the independent variable, is responsible for causing changes in the dependent variable.

Answer to Question 2

True

[mikaylakyoung]

Thanks for the timely response, appreciate it

[momolu]

Excellent