Examlex
Which of the following is not a chelating agent?
Construct Validity
The degree to which an assessment or tool accurately gauges the theoretical idea or construct it aims to assess.
Error Score
The difference between the observed score and the true score.
True Score
The true score in measurement theory is the actual score that perfectly reflects the corresponding attribute or quantity without any measurement error.
Observed Score
The actual score or value obtained from measuring or testing an individual's performance or trait.
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