The purpose of Effective Questioning (EQ) involves examining undetected assumptions that influence how information is interpreted and as a result, used to develop strategic plans. The following analysis is based on the Niagara–Medina Exercise located at the end of Chapter 5
. The Niagara–Medina Exercise was developed to advance effective reasoning by demonstrating how numerous assumptions go unquestioned in everyday conversation and problem-solving. This document reveals 40 unquestioned assumptions from that exercise; in addition, the nine assumptions that lead to thinking errors are noted.