To eliminate uncontrolled variables, the team designed a new material model that uses alginate gel, instead of collagen, to stiffen the extracellular matrix without binding to any cell receptors. (sciencedaily.com)
Ferriss told us that he used to read passages about compassion by Buddhist writers and think, «OK, if you're sitting in a monastery, where your schedule is set and you have very few uncontrolled variables, that's fantastic that you can do loving / kindness meditation, but that's not the world I live in.» (businessinsider.com)
This means that the exam results are mitigated by a construct - irrelevant variance — an extraneous, uncontrolled variable that affects assessment outcomes (National Research Council, 1999; Abedi & Gándara, 2006; Abedi, 2002; Solórzano, 2008). (ascd.org)