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3D Model Experiments

Using 3D models to measure women's preferences for penis size

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2 results
Jan 11, 2026

What experimental designs could test whether penis size causally affects vaginal-orgasm likelihood?

Three decades of correlational work finds that women who report greater vaginal-orgasm frequency also report preferring deeper or longer penises, suggesting an association but not proving causation ; ...

Jan 10, 2026

How do experimental 3D-model studies measure women's penis size preferences and what are their limitations?

Three-dimensional, life-sized models gave researchers a novel, tactile way to measure women's preferences for erect penis size and their ability to recall size, finding modest preferences only slightl...