Secrets of Janken

How many strategies are there to improve your chances of winning at janken?

• There is no strategy.

• There are only one strategy.

• There are two strategies.

• There are many strategies.

What should players show in the first round?

• They should show "rock".

• They should show "paper".

• They should show "scissors".

• They should show "nothing".

Is it easiest for people to show “paper”?

• Yes, it is.

• No, it isn't.

• Yes, they are.

• No, they aren't.

What should players show if the first round was a draw?

• They should show "rock".

• They should show "paper".

• They should show "scissors".

• They should show the same hand as the first round.

Is janken simple?

• Yes, it is.

• No, it isn't.

• Yes, it does.

• No, it doesn't.

Strategies for janken are based on people’s characters.

• T

• F

It is easiest for players to show “rock”.

• T

• F

Players tend to show “scissors” when they get tense.

• T

• F

Those who first used “paper” tend to show “paper” again.

• T

• F

Players may have a problem when their opponent also knows the strategies.

• T

• F