The Ability/Difficulty Table: A Tool to Identify the "Limit Target" in the Design for All Approach

One of the major problems for anyone involved in Design for All is identifying the design target. The paper proposes the first results of a research that has developed a tool which eases this task. Starting from a specific activity, the table, termed "A/D Table", enables the identification of groups of individuals who, because of their characteristics, may have the greatest difficulties in carrying it out.