Identify the kinds of systems described in this case. (1 Mark)
What are the benefits of automated essay grading? What are the drawbacks? (1 Mark)
What management, organization, and technology factor should be considered when deciding whether to use AES? (1 Mark)
Case Study 2: American Water Keeps Data Flowing
How did implementing a data warehouse help American Water move toward a more centralized organization? (1 Mark)
Give some examples of problems that would have occurred at American Water if its data were not "clean"? (1 Mark)
How did American Water's data warehouse improve operations and management decision making? (1 Mark)
Case Study 1: Should a Computer Grade Your Essays?
Would you like your college essays graded by a computer? Well, you just might find that happening in your next course. In April 2013, EdX, a Harvard/MIT joint venture to develop massively open online courses (MOOCs), launched an essay-scoring program. Using artificial intelligence technology, essays and short answers are immediately scored and feedback tendered, allowing students to revise, resubmit, and improve their grade as many times as necessary. The non-profit organization is offering the software free to any institution that wants to use it. From a pedagogical standpoint—if the guidance is sound—immediate feedback and the ability to directly act on it is an optimal learning environment. But while proponents trumpet automated essay grading's superiority to students waiting days or weeks for returned papers— which they may or may not have the opportunity to revise—as well as the time-saving benefit for instructors, critics doubt that humans can be replaced.