trust
Regular readers will recall that this is not the first time the Free-Ride family has discussed skepticism and trust.
Dr. Free-Ride: You two are both exploring the internet more lately, and you know that one of the things people use the internet for is to sell you stuff, right?
Younger offspring: Yeah.
Elder offspring: Yeah.
Dr. Free-Ride: So how do you tell if the people selling you stuff are telling the truth about what they're selling?
Elder offspring: Rave reviews about the item.
Dr. Free-Ride: Rave reviews about the item from whom?
Elder offspring: From ... people who bought the item.
Dr…
Some people go out of their way to help their peers, while others are more selfish. Some lend their trust easily, while others are more suspicious and distrustful. Some dive headlong into risky ventures; others shun risk like visiting in-laws. There's every reason to believe that these differences in behaviour have biological roots, and some studies have suggested that they are influenced by sex hormones, like testosterone and oestrogen.
It's an intriguing idea, not least because men and women have very different levels of these hormones. Could that explain differences in behaviour between…