Current study rises a problem of decision-making under uncertainty, in particular the impact of two situational factors – hypothetiaclity and availability of choice results. We hypothesized that the influence of those factors may decrease the risk-avoidance tendency via lessen the affectiveness of a task. On material of the task modelling decision-making in sports betting, the evidence of the impact of hypotheticality of a situation on decreasing the risk-avoidance tendency was obtained. Generally safe choices dominated in the sample, but hypothetiaclity of a situation increased the proportion of risky choices. The second hypothesis about similar effect of availabilityof choice results wasn't confirmed. Three explanatory mechanisms of the observed effect were suggested. In conclusion the discrepancy between real and retrospective choices of novice betters that could be regarded as a possible reason of gambling behaviour were mentioned.

Karabanov Artem Petrovich, Lecturer, Department of Differential Psychology and Psychophysiology, Russian State University for Humanities, 6, Miusskaya sq., GSP-3, Moscow, 125993, Russian Federation, e-mail: pacaraban01@gmail.com

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