Missouri State University assistant sociology professor Dr. Alice Walker found herself deluged with too much data (by which we mean so many dick pictures) in late June when news of a scientific study she’s conducting was reported widely. The study was intended to compare penis size to self-esteem, sexual activity, condom usage, willingness to see a doctor, socializing, and mental health.
She launched the study on June 18th, soliciting 3,600 men aged 22 and older to fill out a survey, along with a measurement of their erect penis and a photo to verify they measured correctly. Men were also asked if they thought their size was below average, average, or above average; Dr. Walker noted to the Springfield News-Leader that many men who believed they were below average were actually average. (In a meta-analysis that combined the results of several penis size studies, the average erect penis size was estimated to be 5.2 inches in length and 4.6 inches in girth.)