The subject of the given sentence is Reliability tests, the action is expressed in the sentence where it mentions the score that people get along a range and the last additional information is given in the sentence "the big personality tests".
What do you mean by reliability tests?
Test reliability refers to the volume to which a test measures without error. It is notably associated to check validity. Test reliability maybe idea of as precision; the volume to which size takes place without error.
Thus, the correct matching words to the doubt asked is cleared in the above sentence.
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