Final answer:
The phenomenon described in the study, where most participants remembered winning bets as 'wins' but losing bets as 'near wins', is an example of the better-than-average illusion.
Step-by-step explanation:
The phenomenon described in the study, where most participants remembered winning bets as 'wins' but losing bets as 'near wins', is an example of the better than average illusion. This cognitive bias refers to the tendency for individuals to overestimate their abilities or performance compared to others. In the context of gambling, it means that people tend to remember their wins more vividly, which may contribute to their perception that they are more successful than they are.