Answer: Variable-ratio
Explanation:
Variable ratio schedule is defined as reinforcement schedule in which a response is reinforced after uncertain or sudden number of responses.It has the ability to generate high rate of response system with unpredictable factor. Example of variable ration schedule can be gambling game etc.
According to the question,Steve is reinforced into variable ratio schedule as chances of getting reward is uncertain because reward is given for assignment after number of assignment passes without any reward by instructor.
In spite of the wealth of the country Colombia and its natural resources such as coffee, emeralds and coal, Colombia has a turbulent history which caused a turmoil. And the answer to the given question is letter C. Powerful drug cartels and guerilla groups.
Answer:
<em>Pharmacists are medication experts and play a critical role in helping people get the best results from their medications. Pharmacists prepare and dispense prescriptions, ensure medicines and doses are correct, prevent harmful drug interactions, and counsel patients on the safe and appropriate use of their medications.</em>
Answer:
Explanation:
By threatening a veto, the President can persuade legislators to alter the content of the bill to be more acceptable to the President. Congress can override a veto by passing the act by a two-thirds vote in both the House and the Senate. (Usually an act is passed with a simple majority.)