Answer:
Variable Interval
Step-by-step explanation:
Reinforcement is delivered after an unpredictable number of responses (e.g., after 1, 4, 5, and 9 responses).
Result is high and steady response rate.
fixed interval
A fixed interval scheme refers to a reinforcement scheme in which an activity is rewarded only when a certain period of time is over. In the fixed interval scheme, there is a large amount of activity always occurring simultaneously at the end of a time interval. This kind of scam is very common in games, especially slot machines that reward gamblers with cash.
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