| http://www.w3.org/ns/prov#value | - Some of his key findings include: 1) the age at which children were allowed outside unsupervised increased over time; 2) children visited more places in their neighborhood when the outdoor opportunities were the most diverse and numerous; 3) the number of barriers to children???s outdoor exploration has increased over time and the types of barriers have shifted from being more environmental (e.g.,
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