Answer:
The best answer to the question: The focus of this study is MOST accurately defined as:___, would be: Insomnia.
Explanation:
This scientist wishes to investigate the effects of failure of sleep on athletic performance. However, the characteristics of the people he is seeking to form part of his research sample group are very unique in that all of them have had loss of sleep, be it complete, or partial, but it does not matter the reasons as to why these people were unable to sleep. So, most likely what this researcher is looking for is simply to define the effects of insomnia, which is simply defined as the inability of a person to get enough sleep, regardless of causation.
The type of reinforcement schedule that is illustrated is: fixed-ratio schedule.
<h3>What is Fixed-Ratio Schedule?</h3>
Fixed-ratio schedule is a form of partial reinforcement, whereby a response is rewarded or the reinforcement is delivered only when a number of specified responses has been exhibited.
The reinforcement in the scenario given in the question is a free coffee drink. The number of responses required for reinforcement to be delivered is nine coffee drinks purchase.
Therefore, the type of reinforcement schedule that is illustrated is: fixed-ratio schedule.
Learn more about fixed-ratio schedule on:
brainly.com/question/13811123
