Table I illustrates the typical or generalized format used to design a lesson for students. Review and affirmation of prior knowledge and skills necessary for learning activity. Pretest on concept. Assess their compare and contrast skills. Students attempt to establish their own classification system of fasteners, e.g. buttons, screws, etc.
Students test their schemes and determine the most effective and efficient.
Try to give explanation as to why. Point out dichotomous key concept and its effectiveness. Assessment of mastery of concept. Students provide a working definition of classification and utilize a dichotomous key to identify unknown species of trees. Write brief treatise on appropriate criteria for classifying and what safeguards can be used to limit biases and stereotypes when classifying objects or people.