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Despite the widespread provision of information on how to protect ourselves and restrict the spread of COVID-19, many people ignore the latest recommendations and local ordinances by gathering in large groups, crowding public spaces, and failing to wear face coverings in public. While such behaviors may arise out of necessity, why would individuals otherwise choose to act in ways that disregard official and unofficial health advice? Here, science can provide us with critical insight.

Decades of — and its applied counterpart, human factors — tells us that the decision-making process is subjective, highly individualized, and can even vary within the same person depending on the situation. Decisions can be complex, but they can also be exceedingly simple — for example, when a person applies what researchers call heuristics, or shortcuts, that don't necessarily seek out or consider all available information.

Research, and common experience, shows that many of our everyday actions are guided by the affordances  available — those aspects of a situation that help us accomplish our goals — rather than the risks involved — what could happen if things go wrong. This phenomenon, which researchers refer to as "affordance perception," can explain why people might choose to jaywalk, balance on unsteady surfaces to reach high shelves, or text while driving, even while appreciating the risks involved in such actions.

For any type of information to influence a person's decision-making — and consequently, their behavior — several steps must occur. First, the person must be seeking and notice the information. Extensive research has shown that even otherwise obvious safety information may be missed if the individual is not looking for it. In general, most — sometimes as many as three sources or more — and consult both "official" and unofficial sources. In recent flu outbreaks, people seeking health advisories , including family, friends, and schools, as well as public health officials.

Once a message is noticed, it must then be understood  and interpreted as intended. However, information isn't received in a vacuum. Different people — or even the same person at different times — based on their own prior experiences, beliefs, attitudes, and in-the-moment expectations, as well as their interpretations of other messages they have also reviewed. For example, if a message contradicts one's own experience with the same or a similar hazard, it may be interpreted as overstated. In the case of COVID-19, this could occur if a person has gone to a grocery store several times without contracting the virus, and subsequently comes to believe that the risk of going to other establishments is exaggerated.

Finally, messages that are noticed and interpreted as intended only change behavior if the person is able and motivated to do so. Even when the message received pertains to health and safety, people may be unwilling to comply if they find the. Additionally, behavior may be influenced by "," the belief that one is personally less susceptible than others to negative outcomes, such as becoming infected or experiencing virus-related complications.

In the face of such human tendencies, the measures most likely to change behavior may be those that increase the "costs," and reduce the affordances, of not complying. One such measure is enforcement. For example, enforcement through law has been shown to be , but enforcement can be achieved socially as well. Knowing one's behavior is being observed can change compliance rates; that even healthcare workers are more likely to wash their hands when they know they are being watched.

The determinants of human behavior are complex and can be highly individualized. Regardless of the information available and the potential consequences, different people may respond differently in the same situation, and even the same person may respond differently in the same situation at different times. Thus, each compliant or noncompliant decision must be considered individually, within the context in which that decision was made.

Yet, while the factors that can influence a decision are varied and complex, these behaviors are not random or unique. Understanding perceptual and cognitive factors can provide insight into systematic interactions that give rise to the wide variety of human responses to new information. Such an understanding can assist in evaluations of compliance — or lack thereof — with local public health advisories and restrictions, new guidelines for workplace safety, and warnings on protective supplies like face coverings, masks, and sanitizers.

How Ä¢¹½tv Can Help

Ä¢¹½tv human factors experts have a long history of investigating the communication of risk as a scientific field of inquiry. They bring expertise on human cognition, perception, behavior, and information processing to both the design of warnings and the potential for behavioral change in response to safety messages.