A Temporal Investigation of Crash Severity Factors in Worker-Involved Work Zone Crashes: Random Parameters and Machine Learning Approaches:
Reason:
In the context of work zone safety, worker presence and its impact on crash severity has been less explored. Moreover, there is a lack of research on contributing factors by time-of-day. To accomplish this, first a mixed logit model was used to determine statistically significant crash severity contributing factors and their effects. Significant factors in both models included work-zone-specific characteristics and crash-specific characteristics, where environmental characteristics were only significant in the daytime model. In addition, results from parameter transferability test provided evidence that daytime and nighttime crashes need to be modeled separately. Further, to explore the nonlinear relationship between crash severity levels and time-of-day, as well as compare the effects of variables to that of the logit model and assess prediction performance, a Support Vector Machines (SVM)
What is meant by machine learning approach?
Machine Learning is an AI technique that teaches computers to learn from experience. Machine learning algorithms use computational methods to “learn” information directly from data without relying on a predetermined equation as a model.
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The correct answer is letter A
Explanation: Because he is a Behaviorist. Behaviorism is a term that covers several theories of psychology that has as its main object of study behavior.
Strict behaviorists believed that all behaviors were the result of conditioning. Anyone could be trained to act in a particular way given the right conditioning.
Answer:
One reason is because of a gender gap. For example, if a someone (a women) collapse on the ground and isn't breathing, studies do show that women are most likely to die and not receive CPR because of their gender.
Hope this helps
--Jay
Answer: B. An ordinance
Explanation: An ordinance can be simply refered to as an authoritative decree or order (authoritative saying). Ordinance mostly over see or governs issues which cannot be found in either the federal or state law, this might include issues related to public nuisance, zoning, construction regulation etc.
In the case of Flagstaff city that passes the legislation of regulating taking of alcohol on the street, this issue is a public matter as such the legislation should be refered to as an ordinance.
