Expert Judgement Approach Eliminate some combinations of independent variables to reduce the total number of data points Often required to make experiment feasible within time and budget constraints Strategies for elimination · Insight from previous theory or experiments Wisdom from advisor or other subject matter expert Logical thought about interrelationship of variables on the physics of the problem8 Expert Judgement Approach – Eliminate some combinations of independent variables to reduce the total number of data points – Often required to make experiment feasible within time and budget constraints – Strategies for elimination • Insight from previous theory or experiments • Wisdom from advisor or other subject matter expert • Logical thought about interrelationship of variables on the physics of the problem