John develops a scale to assess job satisfaction among industrial workers. He is especially concerned that the workers in his study will interpret the scale items on his questionnaire in an inconsistent fashion. John's concern reflects the issue of __________.

Question

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John's concern about inconsistent interpretation of scale items by workers suggests that he is worried about the reliability of his measure, i.e. the consistency of the responses the scale is intended to elicit. It is important that the scale items are interpreted in the same way by all workers, so that the responses are a true reflection of their feelings and attitudes towards their job. The other options (representativeness of sample, accuracy of hypothesis, validity of operational definition) do not directly address this particular concern.

John Develops a Scale to Assess Job Satisfaction Among Industrial