The concept of 'behavioral contagion' refers to the tendency of individuals to imitate the behaviors, attitudes, or emotions of those around them, often unconsciously. This phenomenon occurs when one person's actions serve as a stimulus that triggers similar actions in others, leading to a ripple effect within a group. Behavioral contagion is particularly strong in ambiguous situations, where individuals look to others for cues on how to behave. It can be observed in various settings, from crowd behavior to consumer choices, and is driven by social conformity and the desire for group acceptance.
🎧 Conferencia de audio
Professor: Let me illustrate this with a real study. Researchers set up a scenario in a university library where students were studying alone at separate tables. An actor, pretending to be a student, entered and sat at a nearby table. After a few minutes, the actor began to look up at the ceiling and smile, as if seeing something amusing. The researchers secretly observed the reactions of the actual students. Within a short time, many of the students also looked up at the ceiling, even though there was nothing there. Some even smiled too. Interestingly, when the researchers asked the students later, they couldn't explain why they looked up; they just felt they should. This shows that without any direct communication, the students unconsciously imitated the actor's behavior, illustrating behavioral contagion in a simple, everyday setting.
❓ Pregunta Question: Using the example from the lecture, explain the concept of behavioral contagion.
📊 Rúbrica TOEFL Speaking Task 3
Delivery: Fluency, pronunciation, intonation
Language Use: Grammar, vocabulary, sentence variety
Topic Development: Accurately explain the reading concept and restate the lecture examples
Scored 0-30 based on holistic scoring (original 0-4, scaled to 30). 30s preparation, 60s response.
💡 Consejos
Note the core concept definition from the reading (usually 1-2 sentences)
Record 1-2 specific examples the professor uses in the lecture
Start with the concept definition, then explain with lecture examples
Use template phrases: "The reading defines... The professor illustrates this by..."
Keep within 60s; ensure clarity and fluency
🎤 免费 AI 口语评分
基于 2800+ 托福真题评分库 · 无限次免费使用
⚠️ AI 自动评分基于托福官方口语三大维度(Delivery / Language Use / Topic Development)标准开发,结果仅供练习参考。