At the bottom of the section "Arguments for over or under": "In the academic field of evaluation, Michael Scriven writes that the question of the correct way t

At the bottom of the section "Arguments for over or under": "In the academic field of evaluation, Michael Scriven writes that the question of the correct way to insert toilet paper is a 'one-item aptitude test' for measuring one's evaluation skills. These skills include the evaluative attitude, practical logical analysis, empathy, teaching, and being a quick study. To prove one's competence, one may either derive the 'one right answer' or prove that the test is or is not culturally biased."