The answer is: Variable interval
In a variable interval schedule of reinforcement, reinforcements would be given to the subjects in an unpredictable time schedule.
This means that the subjects can never be sure about whether or not they are going to receive their rewards overtime they do the behavior that the researchers want them to. Since they do not have a reliable incentives, they will have the greatest degree of resistance to eliminate the behavior.
Answer:
Each has its own distinguishing characteristics, although they all share some basic features. Each economy functions based on a unique set of conditions and assumptions. Economic systems can be categorized into four main types: traditional economies, command economies, mixed economies, and market economies.
Explanation:
1. Lab Burner or Busen Burner (can not see it well)
2. evaporating dish
3. Tongs
4. Buret
5. wire gauze
6. crucible and cover
7. graduate cylinder
8. ring stand
9. beaker
10. piperstan triangle
11.
12.
13.
14, Watch glass (seems like it)
(all i could Give ) dont remember them much
It might be justin bieber