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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Child Dev. 2009 Jan-Feb;80(1):101–114. doi: 10.1111/j.1467-8624.2008.01248.x

Table 1.

Distribution of children’s hypothesis biases in six trials by age.

4-year-olds 6-year-olds
Pretend Bias 9 (45%) 2 (13%)
No Bias 9 (45%) 7 (47%)
Real Bias 2 (10%) 6 (40%)

In six trials, children with one or fewer “real” hypotheses were categorized as having a pretend bias. Children who had 2–4 “real” hypotheses were labeled as having no bias, and children with five or more “real” hypotheses were categorized as having a real bias.