Essay Reliability and Validity

1267 Words Apr 9th, 2013 6 Pages
The purpose of this article is to summarize, integrate, and evaluate the many ways interviews can be structured. Reliability and validity are key concepts in the process of selecting among job applicants, since the main goal of selection is to make accurate predictions about which individuals will perform well on the job. Reliability is the consistency of measurement, or the degree to which an instrument measures the same way each time it is used under the same condition with the same subjects (definition from: www.technetium.cen.brad.ac.uk). For example if the applicants are given different selection tests it would be very difficult to compare the difference among applicants. Alternatively, if a number of candidates are given the same …show more content…
The second key component is asking exact same questions to each candidate. Asking questions in the same order might enhance reliability because it increases the consistency of the interview and reduces EEO bias. Third key component is limit prompting, follow-up questioning, and elaboration on questions. Prompting is intended to clarify answers and seek information, so limiting its use might create deficiency. Forth key component is to use better types of questions. Question type can refer to either how the question is asked or its content. The fifth key component is using longer interview or larger number of questions. Longer interviews are more structured because they obtain a larger amount of information. Sixth key component is control ancillary information. . A threat to structure is the uncontrolled use of ancillary information. Seventh key component is not allowing questions from candidate until after the interview. Why? Because it changes the interview in unpredictable ways. Also the control and dominance of the interview can be affected. This has an increased effect of reliability and mixed for validity. Eighth key component is rating each answer or use multiple scales. Ratings can be made on each answer or on the entire interview. Multiple ratings or a single rating can be made. Three levels are considered: being to rate each answer, make multiple ratings at the end and, make one overall judgment at the end. The ninth component is use detailed

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