How many variables can be tested in an experiment?

Answer 1

1

Answer 2

The phrasing makes it a bit difficult for me to discern your question, so I'll overshoot it--the two variables of interest in an experiment is the independent variable (the variable you manipulate) and the dependent variable (the variable you measure). Everything else in a controlled experiment is held constant, to help reduce extraneous factors (confounding variables).

In a simple controlled experiment, only one variable is manipulated (the independent) and one is tested (the dependent).

However, with increasingly complicated experiments, you can manipulate multiple independent variables and measure multiple dependent variables.

Answer 3

you can test any amount of variables in an experiment. Make sure you change one variable at a time.

Answer 4

2

Answer 5

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