While laser skin tightening results may not be as dramatic as those of a face lift, patients enjoy moderate results with no downtime. An added benefit of laser skin tightening is that it is safe and effective for restoring a more firm, youthful appearance to skin all over the body.
Define hindsight bias, and explain how overconfidence contaminates our everyday judgments. The hindsight bias, also known as the I-knew-it-all-along phenomenon, is the tendency to believe, after learning an outcome, that one would have foreseen it. Finding out that something has hap- pened makes it seem inevitable.
Attrition bias is a kind of selection bias caused by attrition (loss of participants), discounting trial subjects/tests that did not run to completion. It is closely related to the survivorship bias, which only the subjects that survived a process are included in the analysis.election bias is closely related to: 1  publication bias or reporting bias, the distortion produced in community perception or meta-analyses by not publishing uninteresting (usually negative) results, or results which go against the experimenter's prejudices, a sponsor's interests, or community expectations.