Event Abstract

Do sports bettors understand probability and take risks?

  • 1 Department of Psychological Science, School of Health and Human Sciences, Southern Cross University, Australia

Aim: Given the increased availability of online sports betting, it is important to understand the factors which may lead to problematic gambling. The current study aims to explore two of these factors: understanding of probability, and risk-taking in the placement of multi-bets in sports betting. Method: An online survey was administered to University staff, students, and members of the wider community (N= 159; 69 non-sports bettors, 76 recreational sports bettors, 14 regular sports bettors). Participants were asked to predict the winner of eight matches from a round of an Australian Rugby League competition by placing either a single or multi-bet. They then completed a probability discounting task (measure of risk-taking) and items related to understanding joint probability (conjunction fallacy). Results: A Pearson’s chi-square test of association indicated that recreational sports bettors placed a significantly greater number of multi-bets than non- and regular sports bettors. A One-way ANOVA revealed no effect of gambling category on levels of probability discounting. Lastly, a Hierarchical Multiple Regression showed that conjunction fallacy score was not a significant predictor of the number of multi-bets placed, whereas probability discounting was a significant predictor of the number of multi-bets placed, t(156) = 2.29, p = .02, sr2 = .03. Conclusions: Contrary to our hypothesis, conjunction fallacy score did not relate to the number of multi-bets placed. Individuals who scored higher in probability discounting and were therefore higher risk-takers, were more likely to place a greater number of multi-bets than those who were risk-averse. Thus, these findings suggest that the number of multi-bets placed is more related to risk-taking behaviour than the understanding of probability. However, the unequal sample size in the gambling category makes it difficult to draw firm conclusions.

Keywords: Probability discounting, Conjunction fallacy, Cognitive bias and heuristics, Sports betting, multi-bets

Conference: 15th Annual Psychology Honours Research Conference , Coffs Harbour, Australia, 4 Oct - 5 Oct, 2018.

Presentation Type: Research

Topic: Abstract for 15th Annual Psychology Honours Research Conference

Citation: Loo RS, Bowling A and Grant L (2019). Do sports bettors understand probability and take risks?. Front. Psychol. Conference Abstract: 15th Annual Psychology Honours Research Conference . doi: 10.3389/conf.fpsyg.2018.74.00033

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Received: 14 Sep 2018; Published Online: 27 Sep 2019.

* Correspondence: Ms. Rachael S Loo, Department of Psychological Science, School of Health and Human Sciences, Southern Cross University, Coffs Harbour, Australia, r.loo.21@student.scu.edu.au