Jamie plays an adventure video game in which a magic sword appears sometimes to help him score more points. The appearance of the sword is not dependent on Jamie's performance in the game. He does not know when the sword will appear, so he is always prepared to grab it. In the context of operant conditioning, the appearance of the magic sword illustrates a of reinforcement.

Variable-ratio schedule

Explanation:

Variable-ratio schedule: In psychology, the term "variable-ratio schedule" is determined as one of the distinct schedules of reinforcements which is a part of the "operant conditioning theory". It tends to occur when a specific response is being reinforced after an unforeseeable number of certain responses.

A Variable-ratio schedule tends to create a high responding rate. Lottery games are one of the best examples of the given schedule.

In the question above, the given statement represents "variable-ratio schedule".

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.