**Contains strong language** The Secrets of the Sexes scientists claim that finger growth represents the level of testosterone in someone's genetic makeup. Males are thought to possess a greater level of hand-eye coordination thanks to higher levels of testosterone, and a Digger test is set up to put this theory to the test.
Questions about Secrets of the Sexes: Testosterone Digger Test
Want more info about Secrets of the Sexes: Testosterone Digger Test?
Get free advice from education experts and Noodle community members.