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Simulation study results under incorrect dichotomization of A, shown for γ0 =0.25 (left), γ0 =0.50 (center), and γ0 =0.75 (right). Plotted are the average point estimates across different levels of a for various selections of γ. The upper panels depict the situation in which the mean level of engagement is moderate; the upper panels depict the situation in which the mean level of engagement is higher.
