2.2.9 Explain the difficulties of getting a product to diffuse into the marketplace.
2.2.10 Explain why it is difficult to determine whether market pull or technology push is the impetus for the design o f new products.
7.1 Evaluation and designing
7.1.4 Explain the use of qualitative and/or quantitative tests, models and experiments used to evaluate ideas at the design development stage (developing chosen solution) of the design cycle.
7.1.8 Define user trial.
7.1.9 Describe one advantage and one disadvantage of a user trial to collect data.
7.1.10 Define user research.
7.1.11 Describe one advantage and one disadvantage of user research to collect data.
7.1.12 Compare user research with user trial.
7.1.13 Define expert appraisal.
7.3 Evaluation and the consumer
7.3.1 Define value for money.
7.3.2 Compare price with value when assessing a product for value for money.
7.3.3 Explain how consumers apply criteria to evaluate a product for value for money, referring to before purchase, purchase, initial use and long -term use.
7.3.4 Discuss how the criteria in 7.3.3 are assigned different weightings depending on the design context.