Adult learners in a novel environment use prestige-biased social learning.

Note that in Figure 2 there is a significant trend toward a higher proportion of learning events that result in copying as the game progresses through the seasons.

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Note that the expected results are found for arrowheads 3 and 4 (significant parameter estimate >1, highlighted in green) and that there appears to be a strong trend toward the expected result for arrowheads 1 and 2 (trending parameter estimate >1, highlighted in yellow).

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