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. 2018 Sep 21;9:1770. doi: 10.3389/fpsyg.2018.01770

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Copyright © 2018 Hammond and Brownell.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Percentage of parents attributing being asked, being rewarded, being praised, fun, social affiliation, or caring as motivations for children’s help by age in years.