In an undergraduate legal and ethical environment of business classes, the authors teach business students how to apply legal rules and ethical principles to problems that arise in business. Teaching the distinction between independent contractors and employees offers a rich, timely opportunity to improve students' critical thinking and…

Purpose: The purpose of this paper is to annotate an attribute of a problem, a solution or no annotation on learners' opinions automatically for supporting the learners' discussion without a facilitator. The case method aims at discussing problems and solutions in a target case. However, the learners miss discussing some of problems and solutions.…