Factors That Can Affect The Inter-rater Reliability

There are several factors that can affect inter-rater reliability

  • Knowledge background.


v  Markers’ knowledge background is somehow a factor that can alter the reliability for marking process. It is because their views on certain issues may vary, thus affecting their agreement on the issues. This may lead to differences in evaluation during the marking.

  • Markers’ experience in marking.


v  A group of markers’ with distinct differences in experiences may lead to disagreement among them. Experience may alter their perceptions towards candidates’ performances, thus becoming a major factor that can affect the inter-rater reliability.

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