Examlex
Star clusters are important to the study the stellar evolution because stars in a given cluster have the same _____________.
Anorexia
An eating disorder characterized by an abnormally low body weight, intense fear of gaining weight, and a distorted perception of body weight.
Eating Disorder Examination
A comprehensive, semi-structured interview used for diagnosing and assessing the severity of eating disorders.
Reliability
The ability of a measurement tool to give the same measurement for a given thing every time. Its usefulness partly depends on this attribute.
Validity
The ability of a measurement tool to measure what it purports to measure. A rigid ruler would be reliable; but it would be useless as a measure of temperature.
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