Description of data fil 1. Participant number 2. Age 3. Gender 4. Success slope condition 5. REGR factor score 6. REGR factor score 7. Three in a row condition 8. Canadian: Score on The Canadian Problem Gambling Index (0 = no risk, 1-2 = low risk, 3-7 = moderate risk, 8-27 = problem gambler) 9. DBC_IOC: "Wins are more likely to occur on a hot machine" 10. DBC_IOC: "The more familiar I am with a poker machine game, the more likely I am to win" 11. DBC_Sup: "There may be magic in certain numbers" 12. DBC_IOC: "It is good advice to stay with the same pair of dice on a winning streak" 13. DBC_Sup: "I can improve my chances of winning by performing certain special rituals" 14. DBC_Sup: "There is useful information in my daily horoscope" 15. DBC_Sup: "Playing poker machines is a form of competition between the player and the machine" 16. DBC_Sup: "I believe that fate is against me when I lose" 17. DBC_IOC: "Show me a gambler with a well-planned system and I'll show you a winner" 18. DBC_IOC: "If a coin is tossed and comes up heads ten times in a row, the next toss is more likely to be tails" 19. DBC_Sup: "A game of chance is a contest of wills between the game and the player" 20. DBC_IOC: "There are secrets to successful poker machine, roulette and dice gambling that can be learned" 21. DBC_Sup: "When I take a test (or took them in the past) I use a lucky pen or pencil" 22. DBC_Sup: "When I need a little luck I wear lucky clothes or jewellery" 23. DBC_IOC: "One should pay attention to lottery numbers that often win" 24. DBC_IOC: "A good poker machine, roulette or dice gambler is like a sportsperson who knows winning plays and how to use them" 25. DBC_IOC: "Some gamblers are just born lucky" 26. DBC_Sup: "I consider myself to be a superstitious person" 27. DBC_IOC: "The longer I've been losing, the more likely I am to win" 28. DBC_IOC: "I will be more successful if I have a system to play the poker machines" 29. DBC_Sup: "I like to carry a coin, charm or token when I'm doing something important" 30. DBC_Sup: "I have a special system for picking lottery numbers" 31. DBC Superstition Scale Total 32. DBC Illusion of Control Scale Total 33. Drake Beliefs About Chance Inventory total score 34. Reported level of interest in soccer 35. Number of rounds played prior to post-exp questionnaire 36. Number of rounds (voluntarily) played after post-exp questionnaire 37. Number of rounds played overall 38. Number of wins recorded after post-exp questionnaire 39. Number of losses recorded after post-exp questionnaire 40. Credit count at the point of stopping 41. Reason for stopping 42. QAccList: "My skill in playing the game" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 43. QAccList: "I took advantage of the moments when my luck was good" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 44. QAccList: "The player(s) I chose" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 45. QAccList: "I developed a logical strategy for playing the game" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 46. QAccList: "A certain lucky way of playing just seemed to work for me" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 47. QAccList: "I knew how to make luck go my way" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 48. QAccList: "I've always been a lucky kind of person" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 49. QAccList: "My knowledge of soccer" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 50. QAccList: "The bet options I chose" 51. QAccList: "It was all chance" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 52. QAccList: "I got better with practice" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 53. QAccList: "Experience at playing computer games" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 54. QAccList: "I deserved to win" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 55. QAccList: "I learnt how to predict the movements of the goalkeeper" (0 = not one of the reasons for winning/losing, 10 = one of the most important reasons for winning/losing) 56. QAccList: "The kick directions I chose" 57. "Using the scale below, how would you describe your level of control over the game's outcomes?" (0 = non-existent, 6 = complete) 58. "Relative to the average player among the many experiment participants who played this game before you,how much control over the game's outcomes would you say you were able to achieve?" (-5 = much less, 0 = same, 5 = much more) 59. "Did your experience of the game suggest to you that you could draw on a strategy to produce goals when you needed them?" (0 = yes, 1 = no) 60. If QStrategyPresent = 0 (Yes), "briefly describe your strategy" 61. Q100RoundsGoal: "If you were allowed to kick another 100 shots in the game, on how many of those shots do you think you would score a goal?" 62. "What would you estimate to have been your chances of scoring in this game? Type your answer as a number in the blank space: On average, a win occurred on every 1 in __ shots." 63. ChancesOfWinning expressed as an odds ratio * 100 to create a percentage measure 64. "As far as you can remember, what percentage of the shots you kicked over the course of the game resulted in ________?" 65. Question wording of QHowManySingle 66. %; Enables comparison in spite of different q versions: If CaptionType=2, then QHowManySingleWins = 100 - QHowManySingle. If CaptionType=1, QHowManySingleWins=QHowManySingle 67. As far as you can remember, what is the best way to describe the overall sequence of kick outcomes experienced during the game? 68. Should be specified if QOutcomeSeq = 5 69. Number of changes in player profile made in Trials 1-24 70. Number of changes in player profile made in Trials 25-48 71. Kick direction entropy in trials 1-24 72. Kick direction entropy in trials 24-48 73. Percentile Group of DBC_Total 74. Percentile Group of DBC_IOC