By combining the power of ground-based and space-based telescopes, astronomers have discovered a new brown dwarf—a type of ...

Classroom observation of teachers is an important tool for education policy and research. By observing teachers in the classroom, it is possible to measure the impact of training programs and other ...

The joint distribution of repeated binary observations is multinomial, and can be specified using a representation first suggested by Bahadur (1961, in Studies in Item Analysis and Prediction, 158-168 ...