Examlex
Several distantly related lineages of vertebrates have shown decreases in size when they have adapted to living on islands.What is the most likely explanation for this decrease in size?
Alternate Forms
A method in psychological and educational measurement where two different versions of a test are used to assess the same construct, reducing possible test-retest bias.
True Score
The theoretical perfect score that would be obtained if there were no measurement errors in a test.
Measurement Error
The difference between the observed value and the true value of a variable, due to imprecision in measurement tools or techniques.
Reactivity
The phenomenon in which the presence of an observer or the awareness of being measured alters the behavior or responses of subjects.
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