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Julli [10]
2 years ago
9

An officer at Air Force Space Command noticed that operators that were fatigued did not seem to perform as well as those operato

rs that were well rested. He was interested if this observation was statistically significant and if added automation could help mitigate any negative effects of fatigue on monitoring and controlling satellites. He designed a study to look into this question. He recruited volunteers willing to participate in a sleep study. Participants would initially be restricted in sleep for a few nights, then would come in and perform tasks in a simulator that were representative of operational tasks. Participants would then be required to sleep 8 hours a night for a few nights, then would come in and perform the tasks in the simulator again. A sub-set of the simulator tasks were at a low level of automation and the remaining simulator tasks were at a high level of automation.a)[4 pts] What is/are the study independent variable(s)
Social Studies
1 answer:
Mars2501 [29]2 years ago
6 0

Answer:

The independent variables are the level of tiredness and the number of hours slept by the volunteers.

Explanation:

Independent variables are those that act on the dependent variables influencing a result, which can be observed by the researcher. In summary, the independent variable is one that can influence. In the case of the question above, we can see that the number of hours slept by the volunteers influenced the level of tiredness of the volunteers. These two variables were able to influence the level of proactivity and performance of the volunteers in their activities, which allows us to determine that these two variables are the independent variables of the study.

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Availability Heuristic

A heuristic is a mental shortcut that we often use to make judgments and decisions. Availability heuristic is based on the principle that the first things come to our mind when evaluating certain topics, events, and methods, must be the based on the more common occurrences, or must be more important than other available alternatives which do not easily come to mind.

The problem with this type of mental shortcut, however, is that it can easily be influenced or biased towards vivid, dramatic events, or recent news and information, especially those sensationalized by the media. 

For example, people might take more precaution against murder and car accidents compared to illnesses such as diabetes and stomach cancer, as the two former are more sensationalized or are often reported in the news than the latter two. However, statistics show that in America, these illness actually take twice as much lives than murder and car accidents (source: http://study.com/academy/lesson/availability-heuristic-examples-definition-quiz.html). 
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3 years ago
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hichkok12 [17]

Answer:

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ivanzaharov [21]

Answer: The fact that their brain activity revealed that they recognized the sounds they had heard while asleep indicates that the infants learned the sounds they had heard while asleep.  

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Tropical and Rainy

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