Learn about planning experiments and variables when working scientifically with these interactive learning resources for KS2 Science students aged 7-11 from BBC Bitesize.

In principle, experiments offer a straightforward method for social scientists to accurately estimate causal effects. However, scholars often unwittingly distort treatment effect estimates by ...

New split-plot designs are presented for mixture experiments with process variables while considering a new model form. Three methods of estimation are considered for the terms in the model.