In a randomized experiment comparing two treatments, there is interference between units if applying the treatment to one unit may affect other units. Interference implies that treatment effects are ...

David Weisburd, Charlotte Gill, Block Randomized Trials at Places: Rethinking the Limitations of Small N Experiments, Journal of Quantitative Criminology, Vol. 30, No. 1 (March 2014), pp. 97-112 ...

Randomized Experiments Consider a randomized experiment in which patients are assigned to one of two treatment groups according to a randomization process that allocates fifty patients to each group.

The course covers methods of design and construction of experiments and analysis of data obtained from them. Both theory and applications are covered in detail. Understand the basic principles of ...

Randomized experiments have long been a cornerstone of scientific research. And many tech companies run randomized tests to learn from the huge amounts of data their customers generate. In 2019, ...

Methods for designing and analyzing industrial experiments. Blocking; randomization; multiple regression; factorial and fractional factorial experiments; response surface methodology; Taguchi’s robust ...

Randomistas, proponents of randomized controlled trials, have recently been transforming the way we think about economic development and aid to poor countries. Photo illustration by Lisa Larson ...

As scientist Ray Hyman explained, there are issues in the experiment such as poor randomization and potential sensory leakage between sender and receiver rooms.