Saying “I don’t know” is often harder than we realize. Think of all the times we say we know when we don’t, both explicitly (saying, “Yeah, I know that”) or implicitly (staying quiet or unconsciously nodding our heads) despite being clueless about the topic at hand. Whether you attribute it to pride, ego, or self-consciousness, this tendency seems to manifest quite early in our lives, and then blossom into full on strategy as we grow older. In children, this tendency has been studied in the work of Dr. Amanda Waterman who found this universal trait in her subject group of…