This user's manual for understanding the behavior of knowledge-based decision models written in the RAND-ABEL programming language and incorporated in the RAND Strategy Assessment System (RSAS) teaches the user how to use the RSAS explanation mechanisms. The limiting factor is often the user's intuition about where to look for the evaluation of variables determining the values of higher-level variables in the RSAS's hierarchical models. Success depends on a top-down understanding of the models (since the RSAS knowledge-based programs are structured to match the conceptual models). Summary procedures that work well and efficiently assist the user.
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