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The Psychology Of Games: The Endowed Progress Effect and Game Quests

Psychologist and gamer Jamie Madigan studies the psychology of gaming, here taking a look at how a few simple psychological manipulations can motivate players of online games to complete distant goals.
[Continuing his regular GameSetWatch column, psychologist and gamer Jamie Madigan looks at how a few simple psychological manipulations could tip players in online games in the right direction.] 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 says it requires ten purchases for a free wash, but the perky girl at the counter gave her a head start with two free stamps. The card Carlos got doesn’t have any free starter stamps, but it only requires eight future purchases instead of ten. So both Kim and Carlos are looking at the same number of purchases to score their complimentary car cleaning. Who do you think is more likely to come back enough times to fill up his or her card? Kim or Carlos? It turns out that it’s Kim, who got saddled with a card that required ten total stamps, but who received enough free stamps to get her 20 percent of the way towards her goal. This is thanks to a phenomenon called “the endowed progress effect.” Basically, the idea is that when you give people just a feeling of advancement towards a distant goal, they’re more likely to try harder and try longer to reach that goal, even relative to people who have an equally easy goal but who got no sense of momentum off the bat.

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Researchers Joseph Nunes and Xavier Dreze coined the term in a paper where they performed the car wash experiment described above. They found that 34 percent of people who received a ten-stamp card with two freebies ended up coming back enough to redeem the cards, compared to 19 percent of customers who started with an unstamped card requiring only eight stamps. This despite the fact that both sets of customers only needed eight stamps for a free wash. Nunes and Xavier also found that those endowed with the two free stamps tried to reach their goal faster by waiting less time between washes. Why? The researchers argue that the reason for the results is that by giving out free stamps, the merchant was framing the task (i.e., buying enough car washes to get a freebie) as one that has already been undertaken. There’s a substantial body of research that shows people are naturally motivated to complete tasks that they feel they’ve started and will want to remain consistent with previous intentions. Other research has shown that the closer someone gets to completing a goal the more likely they are to increase their efforts towards closing that last little gap. Apparently, giving people a couple of free holes on a punch card is enough to trigger both of these effects. This has a few interesting possibilities for game design. Imagine, for example, that I’m playing through Fallout: New Vegas and I get a quest to save ten slaves from a nearby encampment. One way to deliver that quest to me would be to meet a NPC and have her say “Hey, there’s ten slaves. Go free all ten.” And so I’d go off, and the quest would tick up “0 out of ten slaves rescued, one out of ten slaves rescued,” et cetera. Alternatively, if the game designer wanted to invoke the endowed progress effect, I could first receive the request upon opening the cell door for a pair of slaves on the outskirts of the encampment. One of the slaves could say “There were 12 of us altogether! Free the others!” and my progress would start off as “two out of 12 slaves rescued” as the first two sprint off over the horizon. According to everything discussed above, I’d be much more motivated to complete this quest if it were presented this way. Other examples aren’t hard to imagine. What if some NPC wanting 12 Goretusk livers in World of Warcraft gave me two to start with and raised the request to 14? What if, upon learning a new crafting skill that requires combining 5 widgets into one superwidget, the game gets me started with one widget and makes the recipe call for six? What if, when I’m waiting impatiently in a multiplayer matchmaking lobby for Halo: Reach to find me 10 opponents, the game populates the first two slots with “Player Found!” after a couple of seconds even though it’s still looking? Would I be more likely to wait for the rest even if the search takes a long time? Well, you get the idea. If you’ve got other examples, let’s hear them in the comment section. [Jamie Madigan examines the overlap of psychology and video games at PsychologyOfGames.com and for GamePro magazine. He can be reached at [email protected]]

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