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Table 4 Stages and activities of the DIGIER model

From: Development of an engineering design process-based teaching and learning model for scientifically gifted students at the Science Education Institute for the Gifted in South Korea

Stage

Activity

Defining the problem

• Recognizing the problematic situation

• Recognizing the need for problem solving

• Specific clarification of the problem to be solved

Ingathering information

• Gathering information related to the problem by taking advantage of diverse sources

• Organizing information by checking the relations between problem and information

Generating the solution

• Generating various solutions

• Refining their solutions

• Making a presentation and evaluating by the group

• Generating a solution by the group based on the evaluation results

• Elaborating the solution by the group

Implementing the best solution

• Making a prototype based on the group’s solution

• Arranging the prototype’s characteristics

Evaluating the solution and reflecting

• Presenting and evaluating of the prototype’s characteristics by the group

• Finding improvement measures for the prototype’s drawbacks

• Generating a new solution