Answer: Procedural justice.
Explanation:
The procedural justice is basically focus on the legal authorities decisions and it is related to the justice administration.
The main principle of the procedural justice is that it provide the opportunity for the voice and always how transparency in their actions. They are impartial with their decisions making concept process.
According to the given question, the procedural justice concept is best explained about the Neil satisfaction experienced.
Therefore, Procedural justice is the correct answer.