The Level of Involvement and the Timing of Betting in Roulette

Abstract
This research verified an effect of the level of involvement and the timing of betting in gambling (American roulette). Forty subjects (22 females and 18 males) were assembled into four experimental groups according to two levels of involvement (active: subject threw the ball; passive: dealer threw the ball) and two types of timing (subject bet either before or after the throw; both groups did not know the outcome at the time of betting). Subjects who bet before the throw took greater risks than did those who bet after. Furthermore, subjects who threw the ball reported a much greater perception of control and assumed a higher level of risk than those who did not execute the task.

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