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Expert Jigsaw

American Psychologist

Elliot Aronson

He is best known for his groundbreaking experiments on the theory of cognitive dissonance and for his invention of the Jigsaw Classroom

The main idea:

Break a specific task into simple parts requiring group-mates to become experts with their part and to share their knowledge with the rest of the group, till everyone in the group knows the entire material.

 

Preparation

  1. Decide on a Jigsaw lesson only if the content that has 3-6 equivalent segments or parts (e.g. tests of a true prophet)

  2. Compile the material (simplify if necessary; number each part) 

  3. Make an appropriate number of copies for the CL groups (e.g., if you have a 5-part lesson, and 30 students, make 6 copies of the original.) 

  4. Cut the segments and clip/staple together each set in order as in the original 

  5. Remember to make an additional set for the “overflow” number of students  

 

Procedure

Phase 1: Base Group Focus

The class is divided into “home” groups according to the number of parts in the lesson (no more than 6)‏; each member receives a jigsaw material and silently reads.

 

Phase 2: Expert Group Focus

Those with the same material in each group meet as “expert” groups to discuss the topic.

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Phase 3: Base Group Re-focus

The base group gathers again and each member shares with other members what they learned. All the group members MUST know the entire content.

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Phase 4: Assessment

The teacher assesses the class by questioning.

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Advantages

  1. Sets a positive and interactive environment
  2. Leads students to value each other as contributors to the common task

  3. Efficient way to learn the material

  4. ​Encourages listening, engagement, and empathy (social skills) 

  5. Engages every student

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