The dictator game
a. reveals nothing important about economic behavior because the money used is hypothetical.
b. demonstrates that people care about fairness and will sacrifice financially for others.
c. demonstrates nothing definitive about fairness, as concerns about the other player's perceptions will influence the dictator's choices.
d. regularly results in the dictator taking all of the money for him/herself, as economic theory would predict.

The correct answer is d) Regularly results in the dictator taking all of the money for him/ herself, as economic theory would predict.  

Explanation:

In social psychology and economics, there is an experiment called the dictator's game, which aims to observe people's behavior and see what decisions they make regarding justice, norms, economic conduct, and self-interest.

In the dictator's game, the first player named as the "dictator" is given an amount of money, and he/she may voluntarily decide to provide a part of the money to the second player, that is where the behavior of both will be seen.

Generally, in the experiments performed, the dictator takes all the money for himself and takes advantage of his role as a dictator before the second player.

I hope this information can help you.

of what agreement it does not show