Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing ...

Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing ...

Modeling the interaction between persons and items for binary response data, item response theory (IRT) has been found useful in a wide variety of applications. ...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...

How to implement Agile Project Management to increase productivity, organization, and improve any business. Could your team benefit from a new approach?  ...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was ...