Weaknesses with the experiment were later discovered. Empirical evidence may be synonymous with the outcome of an experiment. It was like its own psychological experiment. There are different variations of the experiment. The original position is a hypothetical state of nature used as a thought experiment. Critics thought the painting a failed "experiment" rather than art. Let be 10 observations from the experiment. Results are measured in a manner scientifically appropriate for the given experiment. Initial assessments of this experiment has been positive. Nadia Heninger was part of a group that did a similar experiment. Nozick attacks the thesis by means of a thought experiment. Young showed by means of a diffraction experiment that light behaved as waves. Another example comes from a high throughput mutagenesis experiment with yeast. Controversy exists over the implications of the experiment. He described this in his account of an educational experiment at Stanz.