lilteet Posted November 1, 2017 Report Share Posted November 1, 2017 Some context: I am going to be measuring the plant diversity 3 times at each location and there will be 10 locations. Does the plant diversity increase or decrease in relation to the distance from an industrial terrain (2e Loswal)? For this research question, what could be some controlled variables? I already have the amount of test I do per location. Reply Link to post Share on other sites More sharing options...
nadi0987 Posted November 5, 2017 Report Share Posted November 5, 2017 I think one controlled variable could be the type of plant you are using. I am not sure what other control variables are there. Could you explain your IA with more details? Reply Link to post Share on other sites More sharing options...
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