Abstract: A services-oriented system structure for knowledge assessment and learning comprises a display device for displaying to a learner at a client terminal a plurality of multiple-choice questions and two-dimensional answers, an administration server adapted to administer one or more users of the system, a content management system server adapted to provide an interface for the one or more users to create and maintain a library of learning resources, a learning system server comprising a database of learning materials, wherein the plurality of multiple-choice questions and two-dimensional answers are stored in the database for selected delivery to the client terminal, and a registration and data analytics server adapted to create and maintain registration information about the learners.

Abstract: A system and method of knowledge assessment comprises displaying to a learner a plurality of multiple-choice questions and two-dimensional answers, accessing a database of learning materials, and transmitting to the learner the plurality of multiple-choice questions and two-dimensional answers. The answers includes plurality of full-confidence answers consisting of single-choice answers, a plurality of partial-confidence answers consisting of one or more sets of multiple single-choice answers, and an unsure answer. The method further comprises scoring a confidence-based assessment (CBA) administered to the learner by assigning various knowledge state designations based on the learner's responses to the two-dimensional questions.