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The use of self-measurement kits in penis-size research and their reliability.
Self-reported penis size surveys are systematically less reliable than clinician-measured data: most studies find self-reports skew larger, driven by social desirability, measurement differences and s...
Online penis size calculators can give a rough percentile or product-fit estimate, but their reliability ranges from modest to poor depending on the underlying data and purpose: tools built on clinica...
Self-reported penis measurements, including girth, are consistently less reliable than clinician-measured data because of known biases, moderate test–retest reliability of self-measurement methods, an...