Evidence is insufficient because of: 1  The limited number or size of studies. 2  Important flaws in study design or methods. 3  Inconsistency of findings across individual studies. 4  Gaps in the chain of evidence. 5  Findings not generalizable to routine primary care practice. 6  Lack of information on important health outcomes.
Definition of jerk for English Language Learners. : 1  a stupid person or a person who is not well-liked or who treats other people badly. : 2  a quick pull or twist. : 3  a sudden sharp movement.
The sense of sack, dismiss is first recorded 1885 in American English (earlier throw (someone) out of some place, 1871), probably from a play on the two meanings of discharge: to dismiss from a position, and to fire a gun, fire in the second sense being from set fire to gunpowder, attested from 1520s.