Article

The adoption of egocentric and allocentric frameworks in the perception of other
people's reachability was investigated. In study 1, 24 adults (12 experienced and
12 inexperienced dealing with children) judged vertical reachability for
themselves and for two children. In study 2, 37 parents judged vertical
reachability for themselves and their children. Absolute errors (|estimate-actual
reachability|), absolute percent errors (|1-judgement/actual reachability|x100),
and error tendency (underestimations, right judgments, or overestimations) were
calculated. Adults were quite accurate in perceiving their own reachability
(absolute percent errors ranging from 2.20% in study 1 to 3.12% in study 2) and
clearly less precise when estimating children's reachability. Results indicated a
tendency for adults to overestimate reachability of the younger child (study 1)
and a tendency for parents to overestimate their children's reachability (study
2). No correlation between judgement errors for the self and for the children in
any of the studies was observed. Results support the existence of an allocentric
and not an egocentric framework when evaluating other people's affordances.
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Langue : ANGLAIS