Robert watches for shooting stars on a clear night, and sees one approximately every two minutes. This is an example of a schedule of reinforcement.

Fixed-interval

Explanation:

Fixed-interval schedule: In psychology, the term "fixed-interval schedule" is described as one of the different reinforcement schedules and is a part of the operant conditioning. In fixed-interval schedule, reinforcement is being provided to a specific and desired response after a "predictable amount" of time has elapsed.

In the question above, the given statement represents "fixed-interval schedule" of reinforcement.

john social contacted the noble of religous

the chair is the committee member from the majority party who has the most seniority. in the south carolina senate, the chair is the committee member from the majority party who has the most committee seniority.