Although texts on debate and argumentation deal with accepted forms of evidence, reasoning, and logical methods of proof, they do not cover adequately the "undefined" forms of proof. Criteria of evidence found in forensic literature are not always followed strictly by judges, in courtroom or classroom. Many debate judges allow imprecise, vague, or…

Describes two classroom activities that introduce critical-thinking skills into social studies instruction. One is a debate, followed by position papers, on the contribution of Christopher Columbus. The other is a simulation of a Constitutional Amendment conference. Discusses which parts of the lessons specifically focus on critical-thinking…