The phrase "uncontrolled experiment" refers to a situation where there is no control over certain factors or variables, making it difficult to draw reliable conclusions or make accurate observations. Full definition
«We're conducting a large uncontrolled experiment on our children and waiting to see what the results will be,» cautions Christakis. (newscientist.com)
Author Nina Teicholz reveals how the past sixty years of low - fat nutrition advice has amounted to a vast uncontrolled experiment with disastrous consequences for human health. (treehugger.com)
You may want to steer clear of soy products for no other reason than a commitment to avoiding GM foods... unless you wish to be a lab animal for this massive uncontrolled experiment by the biotech industry. (articles.mercola.com)