Techniques employed to reduce or eliminate conflict between classroom participants. They include using conciliatory gestures, avoidance, altering group structure, role clarification, communication, direct order, compromise, ECT. Conservation The concept that certain properties of an object (such as weight) remain the same regardless of changes in other properties (such as length). Conventional Level of Mortality Stages 3 & 4 of Kohlberg’s Model of moral reasoning during which children make moral decisions in consideration of others. Fairness is the main consideration. Cooperative Learning An instructional approach that teaches students how to be effective, collaborative and supportive team members. (Group projects) Criterion-referenced Test Tests in which the items are linked to explicitly stated objectives and where the scores are interpreted in