This paper examines the effects of systematic and random errors in recall and of selection bias in case–control studies of mobile phone use and cancer. These sensitivity analyses are based on ...

Developing a method is an important part of planning an investigation. In an experiment, evaluate the validity of the steps leading up to the conclusion for it to be valid. Random and systematic ...

We would like to believe that most retractions are due to honest errors. But a new paper found that most retractions in chemistry and similar fields are due to actions that are much worse. However, ...

Oscar Pérez-Priego, Ana López-Ballesteros, Enrique P. Sánchez-Cañete, Penélope Serrano-Ortiz, Lars Kutzbach, Francisco Domingo, Werner Eugster, Andrew S ...

This paper was read at the Conference on Experimental Design held at the Mathematics Research Center, U. S. Army, University of Wisconsin in January 1961, and later appeared in "Physics Today", ...