3 research outputs found

    Variation in Worker Reproduction with Colony Size

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    <p>Axes show standardized independent contrasts in the proportion of worker-produced males (log<sub>10</sub>WPM) and in colony size (log<sub>10</sub><i>n</i><sub>w</sub>). (A) includes all species; (B) includes only species in which relatedness predicts worker-produced males (i.e., <i>r</i><sub>diff</sub> is positive). Lines of regression are forced through the origin.</p

    Composite Phylogeny Used in Comparative Analyses

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    <p>Phylogeny includes within-species variation. Duplicated species labeled 1 or 2 (e.g., Leptothorax acervorum 1 and 2) refer to taxa in which within-species variation was included in some analyses (see text for details). Dotted lines, <i>r</i><sub>diff</sub> is negative; solid lines, <i>r</i><sub>diff</sub> is positive. Horizontal bars indicate WPM.</p

    Statistical Power As a Function of the Slope <i>β</i> (Effect Size) in Comparative Analyses of <i>r</i><sub>diff</sub> on WPM

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    <p>On the graph, + data points show the power of tests in which within-species variation was ignored, and × show the power of tests in which within-species variation was included.</p
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