BanayAmdan BanayAmdan

29-10-2015
History

contestada

A kind of variable that a researcher purposely changes in an investigation is...
constant.
controlled.
dependent.
independent.
help please(:

Respuesta :

HistoryGuy HistoryGuy

06-11-2015

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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