Return to Player (RTP) is a term used in gambling and online games to refer to the
percentage or prizes that will be returned to a player depending on funds deposited during
the game initially. Return to Player is one of the ways to attract players. In Australia and
the UK, information about the game cost often includes Return to Player values (for example,
the average payout percentage or the percentage of money stakes saved) in order to protect
players. (資料來源 )
The UK Gambling Commission allows customers to be informed about the risks in the form
of Return to Player or house-edge percentages.[2] For example, a casino may inform the
player about a payout percentage of 90%, which means that for $100 bet $90 is going to be
returned. The same is for “house-edge percentage” meaning that the casino is having $10 for
every $100 spent on the game. Both variants are identical, however in accordance with the
so-called framing effect, there is a certain influence on players due to different ways of
perception.[3]
According to the results of a study made by the UK Gambling
Commission in 2014, it was discovered that a number of players not specializing in the
industry do not understand the mechanism of Return to Player. Thus, the complex terms, the
usage of mathematical concepts and formulations, the information in English, are mentioned
among factors of misunderstanding, which worsens the comprehension of the rules for
non-native English speakers. (資料來源 )