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Task 3 is: Formulate a Design Specification.
The IBO defines Design Specification as: A detailed description of the conditions, requirements and restrictions with which a design must comply. This is a precise and accurate list of facts such as conditions, dimensions, materials, process and methods that are important for the designer and for the user. All appropriate solutions will need to comply with the design specification.
To get a 5/6 the student: describes detailed methods for appropriate testing to evaluate the product/solution against the design specification.
Learning Objective: produce a listing of detailed specifications, identify ways of testing a solution on a specific audience or the intended user.