Section 8.1.1 Reliability

Section 8.1.1 Reliability

Section 8.1.1 Reliability

"Reliability refers to the degree to which a measure would produce the same result from one occasion to another."
(Clark-Carter, 2002, p27)


If reliable, the results obtained by administering a test to the same individual on two occasions should be very similar. In relation to SET, reliability therefore refers to the ability of a given SET method to achieve student feedback that is consistent over time, and from student to student (Wachtel, 1998), or as Arreola (1995) describes it, stability of student responses, and consistency among responders.


Murray et al. (1990) reports that, in general, student ratings of academics have been found to be stable across items, raters, and time periods. Hobson & Talbot (2001) conclude that the emphasis placed on the psychometrics of instrument development has resulted in very little debate about the reliability, a finding not similarly applicable to validity (Solis, 2003).


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