The Psychology Behind Steam’s Summer Sale

Summer is here! Time to pump up your video game backlog until it’s bloated, gurgling, and making vaguely taunting motions from over in the corner. In other words, the Steam Summer Sale has begun. I just bought Hotline Miami, Fez, and The Swapper for like 14 cents while typing that. Like last time, Steam is…

Seven Psychological Sins of SimCity Social

I have recently been hearing a lot about SimCity Social, the “Farmville with a candy coating of SimCity” game from Bigfish and EA. Mostly I’ve heard about how the game pulls all kinds of tricks to get players to spam each other, trade items, recruit new players, and spend real money. All of these things…

Steamed Endowed Progress a la carte

I recently wrote about the endowed progress effect, which makes us more likely to complete progress towards a goal if we have the impression that we’ve already begun taking the necessary steps. For example, people who get 2 free stamps on a “buy 10 get 1 free” card are more likely to put in the…

Endowed Progress Effect and Game Quests

Imagine that two people, Kim and Carlos, notice that their cars are filthy and both go to the same car wash to make things right. With their wash they each receive a special card that lets them earn a free car wash if they get the card stamped enough times during future visits. Kim’s card…