Design & Technology - 0445 CIE

Testing And Evaluating

Akopọ

Designing is never a single straight line from brief to product. Good designers are constantly checking their work against what it is supposed to do, finding problems early, and improving as they go. Testing and evaluating is that checking habit made formal: comparing what you have made against the specification, judging how well it meets the needs of the user and the wider world, and being honest about what worked and what did not.

This note covers the 0445 testing and evaluating objectives: why testing and evaluation must run throughout the whole design process and not just at the end; how to evaluate a product against its specification and across its social, ethical and environmental life cycle; how to write balanced concluding comments about successes and limitations; and how to propose sensible further developments. Each idea is grounded in real product examples so you can apply the same thinking to your own coursework.

Awọn Afojusun

  1. understand the importance of testing and evaluating throughout the design process
  2. evaluate a product with reference to the specification, and its social, ethical and environmental impact throughout its life cycle
  3. make concluding comments about the successes and limitations of the design
  4. identify proposals for further development of a product.

Akọ̀wé Ẹ̀kọ́

A common misconception is that evaluation is something you do once, at the very end, by writing a paragraph that says the product turned out well. In reality, testing and evaluating run throughout the design process. You test early ideas with quick models, you test a chosen design against the specification before committing, you test joints and finishes on scrap before using them on the real product, and you test the finished article with real users. Each test feeds a small evaluation, and each evaluation changes what you do next. This is the iterative loop at the heart of design: make, test, evaluate, improve, repeated until the product is right.

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Ìdánwò Ẹ̀kọ́

Oriire fun ipari ẹkọ lori Testing And Evaluating. Ni bayi ti o ti ṣawari naa awọn imọran bọtini ati awọn imọran, o to akoko lati fi imọ rẹ si idanwo. Ẹka yii nfunni ni ọpọlọpọ awọn adaṣe awọn ibeere ti a ṣe lati fun oye rẹ lokun ati ṣe iranlọwọ fun ọ lati ṣe iwọn oye ohun elo naa.

Iwọ yoo pade adalu awọn iru ibeere, pẹlu awọn ibeere olumulo pupọ, awọn ibeere idahun kukuru, ati awọn ibeere iwe kikọ. Gbogbo ibeere kọọkan ni a ṣe pẹlu iṣaro lati ṣe ayẹwo awọn ẹya oriṣiriṣi ti imọ rẹ ati awọn ogbon ironu pataki.

Lo ise abala yii gege bi anfaani lati mu oye re lori koko-ọrọ naa lagbara ati lati ṣe idanimọ eyikeyi agbegbe ti o le nilo afikun ikẹkọ. Maṣe jẹ ki awọn italaya eyikeyi ti o ba pade da ọ lójú; dipo, wo wọn gẹgẹ bi awọn anfaani fun idagbasoke ati ilọsiwaju.

  1. When should testing and evaluating take place in the design process? A. Only at the very end, once the product is finished B. Only before any designing begins C. Throughout the whole process, repeatedly informing improvements D. Only if the product fails to work Answer: C
  2. What is the fairest yardstick for evaluating a finished product? A. The designer's personal taste B. The design specification agreed before designing began C. How attractive the product looks D. How quickly it was made Answer: B
  3. Which of these is part of the 'six Rs' used in environmental evaluation? A. Replace B. Repair C. Resell D. Recolour Answer: B
  4. Why is an all-positive concluding evaluation usually marked down? A. Positive comments are not allowed B. It suggests the student has not tested the product critically or found real limitations C. Conclusions must always be negative D. It takes too long to write Answer: B
  5. A good proposal for further development should be: A. Vague, so it covers many possibilities B. Specific, justified and realistic, linked to a limitation found in testing C. Unrelated to the test results D. A general wish to make the product nicer Answer: B

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

O wa lori ohun elo Green Bridge

Gba ohun elo Green Bridge CBT sori foonu tabi kọmputa rẹ lati ri awọn akọsilẹ ẹkọ ni kikun, awọn ibeere adaṣe, ati diẹ sii.

Awọn akọsilẹ ẹkọ ni kikun pẹlu awọn aworan apejuwe
Oluranlọwọ ẹkọ ti AI ṣe agbara rẹ
Kọ ẹkọ laisi intanẹẹti, nigbakugba, nibikibi
O wa lori Android, Windows, macOS, ati Linux

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