In psychology, the concept of 'functional fixedness' refers to a cognitive bias that limits a person to using an object only in its traditional manner. This mental block prevents individuals from seeing alternative uses for familiar items, thereby hindering creative problem-solving. When faced with a challenge, people often overlook novel applications of tools because they are 'fixed' on the object’s conventional function. Overcoming functional fixedness requires a deliberate shift in perspective to perceive objects beyond their typical roles.
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Professor: To illustrate functional fixedness, let me tell you about a classic experiment. Participants were given a candle, a box of thumbtacks, and a book of matches, and asked to attach the candle to a wall so that it could burn without dripping wax on the floor. Many struggled. They tried melting wax to stick the candle, or tacking it directly, but failed. The solution was to empty the thumbtack box, tack it to the wall as a shelf, and place the candle inside. Most didn't think of using the box as a holder because they were fixed on its typical role as a container for tacks. This shows how functional fixedness blocks creative solutions.
❓ คำถาม Using the example from the lecture, explain the concept of functional fixedness.
📊 เกณฑ์การให้คะแนน 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.
💡 เคล็ดลับ
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
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⚠️ 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。
