Marking reliability -- an international peer reviewed journal article that investigated whether examiners' marking becomes more severe as they work through their allocated marking. No other empirical study on this topic was identified in the literature. The findings influenced the UK's largest Awarding Body's (AQA) practice in relation to sample re-marking examiners' work, as the effect size was so small that specifically selecting samples towards the end of the marking period was considered unwise. ; Marking reliability -- an international peer reviewed journal article that investigated whether examiners' marking becomes more severe as they work through their allocated marking. No other empirical study on this topic was identified in the literature. The findings influenced the UK's largest Awarding Body's (AQA) practice in relation to sample re-marking examiners' work, as the effect size was so small that specifically selecting samples towards the end of the marking period was considered unwise.