
Discussion and conclusion
The aim of this research was to investigate the relationship
between chess expertise and cognitive styles in general and
in domain-specific problem solving. The hypothesis was that
chess players with a higher rating are more efficient (both
more accurate and faster) in chess and CRT problem solving
and that chess players’ problem solving efficiency will
positively correlate with their CRT efficiency in general.
Results showed a positive correlation between efficiency
(both accuracy and speed) in chess problems and chess rating,
which confirms the well-known conclusion that chess rating
is a precise, established scaling system (Gobet, 1998). It is
expected that higher-level chess players solve chess problems
more accurately and rapidly, because they use the advantage
of mental heuristics based on a vast knowledge base
confirming the validity of their decision (Gobet & Simon,
1996b). Classic research on heuristic reasoning (Simon,
1955; Tversky & Kahneman, 1974) showed that people
generally make heuristical and incorrect responses rather
than correct ones. Frederick (2005) indicates a positive
relation with logical reasoning and that CRT results match
moderately with measures of cognitive ability. Accordingly,
chess skill is positively correlated with intelligence and
reasoning (Burgoyne et al., 2016), which implies that more
skilled chess players might have higher scores on CRT as
well. However, the results obtained in this study indicate that
more accurate chess players tend to have lower CRT results,
i.e., a less reflective cognitive style. In other words, it seems
that they are more prone to use an intuitive approach and
heuristics in their decision-making regardless of whether they
engage in chess problems or more general problem solving
(such as one typical for CRT problems). The literature on
chess expertise indicates the frequent of use of heuristics in
chess experts' performance and their difficulties in abjuring
it, as evinced in Einstellung effect (Bilalić et al., 2008). To
conclude, the results suggest that higher-level chess experts
are more mentally rigid than lower-level chess players, and
that they are also less reflective and prone to use heuristics
not only in a specific domain, but in general problem solving
as well. Possible reason for such behavior is that the frequent
usage of successful heuristics leads to a habit of using
heuristics more frequently. In addition, it also instills more
confidence in them when making decisions, which is not only
limited to a familiar domain. Such a cognitive style is, thus,
transferred to other problem solving domains.
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Duscussion and Conclusion