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A psychiatrist is interested in studying why people hesitate to act in situations marked by high levels of tension. Based on informal observations, he has determined that there are several factors at play, including the number of other people present during tense situations (the more people present, the less likely any one person will act), an individual's proximity to the situation (the more removed someone is, the less likely he or she will act), and the age of the people involved (people aged 35-50 are more likely to act).

Based on these observations and in preparation for a formal study, the psychiatrist hypothesizes that in tense situations that occur in crowds, life experience is a primary determining factor in any one person deciding to become involved in the situation.

Which of the following assumptions is the psychiatrist likely making about bystander involvement in high-tension situations?"


People who are close by when a tense situation occurs are more likely to act.


When more people are present, there are likely more people encouraging the situation.


De-escalation is a critical skill that is better understood by people who are likely to intervene.


Middle-aged people are better equipped to overcome barriers to taking action.


Tense situations are more likely to occur when there is a large crowd in the area.​

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