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Index/Topics/Methodological limitations in penile size studies

Methodological limitations in penile size studies

The methodological limitations and biases in studies on penile size.

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3 results
Jan 12, 2026
Most Viewed

Are there significant regional differences in penis girth and what explains them?

Multiple recent meta-analyses and large empirical studies report measurable regional variation in penile dimensions, including girth, but the differences are generally modest, inconsistent across stud...

Jan 12, 2026
Most Viewed

Average and median penile length and girth. Recorded differences (only measured, not self-reported) among ethnic groups?

Clinically measured (not self-reported) studies and large meta-analyses place the global average erect penile length at about 13.1 cm (≈5.16 in) and erect circumference at about 11.7 cm (≈4.59 in), an...

Jan 10, 2026

How reliable are online surveys versus clinical measurements for male genital size?

Clinical measurements of male genital size are substantially more reliable than anonymous online surveys because they use standardized techniques, trained observers and objective tools that reduce bia...

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