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Estimate descriptive statistics of square-root reliabilities from descriptive statistics of reliabilities via Taylor series approximation
estimate_q_dist(mean_rel, var_rel)
Mean reliability value.
Variance of reliability values.
The estimated mean and variance of a distribution of square-root reliability values.
$$var_{q_{X}}=\frac{var_{\rho_{XX}}}{4q_{X}^{2}}$$
# NOT RUN { estimate_q_dist(mean_rel = .8, var_rel = .15) # }
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