After Ricardo gets an A on his history exam (a class in which he has recently struggled), Ricardo's father takes him to
the electronics store and lets him choose a new video game. This is an example of a(n)

This is an example of a "performance reward".

Explanation:

Performance reward encourage children to be successful in learning by providing incentives, which means to motivate them and praise them for hard work, self-dedication and self-confidence. Thus it builds a sense of pride and accomplishment among students.

Here Ricardo's father is rewarding him to inspire his son as he need to teach his kid to be curious to learn inspite for just earning rewards, because it may snatch quality work from his habit, as Ricardo achieved "A" grade for history, in which he struggled.

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the use of electrical signals that transit messages is know as