1. Under what conditions is experimental research most appropriate? Experiments begin with random assignment to conditions, which produces equivalent groups. One group is subjected to the changed ...

The main variables in a science experiment are the independent variable, the dependent variable and the control variables. The Independent Variable is what we change or control in the experiment.

She has conducted in-depth research on social and economic ... analysis shows how different values of an independent variable affect a dependent variable under a given set of assumptions.