“…Also, valuers play a major part of restoring normalcy and trust to property markets (Coester, 2015), which is central to efficient functioning of a country's economy, society and the environment (Wilkinson et al, 2017). In the property literature, valuation decision making is conceptualised as a predominantly rational, analytical and step-by-step process (Whipple, 1990;Amidu and Boyd, 2018). However, Diaz (1990a;1990b) and Diaz et al (2002) argue that optimal valuation decision making may require departure from the preferred rational approach to a more intuitive approach, which uses heuristics (rules of thumb) in order to overcome natural processing limitations due to time or restricted information (Kahneman, 2011).…”