A task-based framework to evaluate evaluative arguments

Abstract

We present an evaluation framework in which the effectiveness of evaluative arguments can be measured with real users. The framework is based on the task-efficacy evaluation method. An evaluative argument is presented in the context of a decision task and measures related to its effectiveness are assessed. Within this framework, we are currently running a formal experiment to verify whether argument effectiveness can be increased by tailoring the argument to the user and by varying the degree of argument conciseness.