In an experiment the variable that the researchers manipulate is ...

[V@ndy87]

In an experiment the variable that the researchers manipulate is known as the ___________ variable.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

As a researcher, you are interested in cause and effect. You need to know how one variable causes another. You will need to use a research design known as a true _______________.
 
  Fill in the blank(s) with the appropriate word(s).

[gasdhashg]

Answer to Question 1

Answer: independent

Answer to Question 2

Answer: experiment