factually
Index/Topics/Measurement and Methodology

Measurement and Methodology

The importance of standardized measurement and methodology in capturing the complex interplay between psychological and physical factors in sexual pleasure.

Fact-Checks

2 results
Jan 22, 2026

What research methods reliably measure changes in sexual preferences across the lifespan?

of change in sexual preferences across the lifespan depends chiefly on repeated, prospective, longitudinal designs that assess multiple dimensions of sexuality (attraction, behavior, identity, desire)...

Jan 8, 2026

How does penile girth versus length differentially affect reported sexual pleasure in rigorous studies?

Rigorous research generally finds that penile girth (circumference) tends to correlate more strongly with reported sexual satisfaction for many partners than additional length, but findings are nuance...