BanayAmdan BanayAmdan

28-10-2015
History

Answered

A kind of variable that a researcher purposely changes in an investigation is...

constant.

controlled.

dependent.

independent.

help please(:

Verified Answer :

HistoryGuy HistoryGuy

05-11-2015

A kind of variable that a researcher purposely changes in an investigation is a "independent variable", since this is what is changed to see what effect the change has on the "dependent variable".

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