Variable ratio
Among the reinforcement schedules, variable ratio is the most productive and the most resistant to extinction. Fixed interval is the least productive and the easiest to extinguish (Figure 1).
Preventable communicable, or infectious, diseases like malaria and HIV/AIDS account for millions of deaths in the world each year, especially in low-income countries. Noncommunicable, or chronic, diseases like heart disease and diabetes are having an increasing effect across the globe.
Unsafe action is the correct answer hope it helped
I sleep in the second position or the third position I usually move a lot
Answer:
the first one is correct! Your welcome for double checking!!
Explanation:
