Further, elevated ADHD symptoms are associated with peer impairment among children in general education classrooms who do not necessarily meet formal criteria for the disorder [10, 11, 12]. (link.springer.com)
To some extent we can use formal criteria of elegance, simplicity and fruitfulness. (religion-online.org)
The unions insist that pay be determined by formal criteria - seniority, education - that are not measures (or causes) of how much students learn and that any teacher can satisfy. (educationnext.org)