~ Weird Al Yankovic. Rowan Martin Smothers (born April 3, 1908), better known as Dr. Demento, is a radio personality known for bringing novelty songs to the forefront of human consciousness (and in the process invented the one hit wonder) and lobster fisherman.
Definition of contrivance in the English dictionary The first definition of contrivance in the dictionary is something contrived, esp an ingenious device; contraption. Other definition of contrivance is the act or faculty of devising or adapting; inventive skill or ability. Contrivance is also an artificial rather than natural selection or arrangement of details, parts, etc.
Definition of Bias. Systematic error is also known as bias. It is any systematic process in the conduct of a study that results in the incorrect estimate of a measure of disease occurrence or measure of association.1  Because it is a systematic process, it will cause a distortion from the truth in a predictable (not random) direction.echnical Definition: It is the bias, in other words deviation from the truth, that it is caused when any measurement collected about or from subjects is not completely valid (i.e., not completely accurate).