Gilbert Has Just Raked Up All the Fallen Leaves into a Pile

question 218

Multiple Choice

Gilbert has just raked up all the fallen leaves into a pile and now puzzles about how to move them into the far corner of the yard. It does not occur to him to pile them all into a canvas tarpaulin and drag them into the corner because he thinks of the tarpaulin as a cover for something, not a carrier. Gilbert is a victim of

• A) functional fixedness.
• B) prototypical thinking.
• C) a mental set.
• D) the base rate fallacy.

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