It’s hard to get good payoffs from slot machines, yes. But it’s also hard to get good information from slot-machine gamblers, and that made things awkward for psychologists Mark Griffiths, of Nottingham Trent University, and Jonathan Parke, of Salford University. They explained how, in a monograph called Slot Machine Gamblers – Why Are They So Hard to Study?
Griffiths and Parke published it a few years ago in the Electronic Journal of Gambling Issues. “We have both spent over 10 years playing in and researching this area,” they wrote, “and we can offer some explanations on why it is so hard to gather reliable and valid data.”
Here are three from their long list….
So begins this week’s Improbable Research column in The Guardian.