Marketers of digital content such as books, news, video, music, and mobile games often provide free samples of the content for consumers to try out before buying the product or signing up for ...

The end goal of database design is to be able to transform a logical data model into an actual physical database. A logical data model is required before you can even begin to design a physical ...

Score equating based on small samples of examinees is often inaccurate for the examinee populations. We conducted a series of resampling studies to investigate the accuracy of five methods of equating ...