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It explains what students must do: analyse the prototype against the product specification using realistic tests with measurable performance criteria, analyse testing results, evaluate whether each specification point was met, and assess sustainability via life cycle assessment (LCA). 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Each test will be focused on a measurable point from the specification and must include the performance criteria.  \n4.1b Analyse the results of the prototype testing.  \nStudents are required to analyse how their prototype performed against the measurable specification points. This analysis should be a discussion about how each test did or did not validate the prototype.  \n4.1c Evaluate whether the prototype meets the product specification.  \nStudents are required to critically judge if their prototype met, partially met, or did not meet each specification point. There is no loss of credit where a prototype fails to meet criteria but has attempted to.  \n4.1d Evaluate the sustainability of the final prototype by carrying out a life cycle assessment (LCA) in order to assess its impact on the environment.  \nStudents are required to carry out an LCA based on their final made prototype. Prototypes specifically designed with sustainability criteria, will be able to reference to this in the LCA.  \n© Pearson Education Ltd 2023 . Copying permitted for purchasing institution only. This material is not copyright free.  \nVersion 2  \nGCSE Design and Technology – NEA Guide  \nHow this assessment grid differentiates student evidence of testing and evaluation.  \nTesting and evaluation evidence will be differentiated by the following factors:  \n1. Has the student carried out and evidenced 3-4 valid tests against measurable criteria from their specification, including the criteria relating to performance?  \n2. Has the student carried out a full analysis against all of the specification criteria or not?  \n3. Has one or more real users been involved during testing and review work to confirm the suitability of the prototype?  \n4. Does the LCA consider technical factors such as impact of materials, processes, techniques, and assembly choices for the final prototype?  \nAudio or video evidence are best suited to capturing real time testing and review work engaged with a user and can support evidence relating to 3.2 Quality and Accuracy, where a judgement is made about the functionality of the final prototype.  \nEvidence relating to future improvements or modifications to the prototype is not a requirement therefore not credit worthy.  \nAdvice for scaled outcome projects.  \nStudents should conduct an LCA in relation to their final made outcome, not for the full-sized outcome.  \n© Pearson Education Ltd 2023 . Copying permitted for purchasing institution only. This material is not copyright free.  \nVersion 2","cbCaihNEYEZyDPUv","https://ap.wps.com/l/cbCaihNEYEZyDPUv","pdf",329954,"English","# 4-Evaluate\n## 4.1 Testing and Evaluation (AO3 6 marks)\n## What the NEA content requires students to do\n## How this assessment grid differentiates student evidence\n## Advice for scaled outcome projects","[{\"question\":\"What must students do in 4.1a when testing the prototype?\",\"answer\":\"Students must analyse the prototype against the product specification by conducting a variety of tests under realistic conditions, ensuring fitness for purpose. Tests must be linked to measurable points from the specification and include performance criteria.\"},{\"question\":\"How should students approach 4.1b and 4.1c?\",\"answer\":\"Students must analyse the results by discussing how each test did or did not validate the measurable specification points. They must then critically evaluate whether the prototype met, partially met, or did not meet each specification point.\"},{\"question\":\"Why is life cycle assessment (LCA) required for 4.1d, and what scope applies to scaled outcomes?\",\"answer\":\"Students must evaluate the sustainability of the final prototype by carrying out an LCA to assess environmental impact. For scaled outcome projects, they should conduct the LCA for the final made outcome, not the full-sized outcome.\"}]","GCSE Design and Technology – NEA Guide - 4-Evaluate - 4.1 Testing and Evaluation | PDF",1792466844]