QUESTION 2 Top-down (Positivism) human interest is largely irrelevant because it is not the main subject under investigation and Bottom-up (Interpretivist) human interest is the main driver of the science. Furthermore, with regard to positivism, the concepts need to be operationalized so that they can be measured, however with regard to interpretivist, the stakeholder interest has to be incorporated. To this effect: a) Highlight the strength and weakness of top-down approach design; (UN-5marks) b) Discuss the usefulness of bottom-up approach to design; (UN-5marks) c) Critically examine the usefulness of hybrid approach to product design; (AN-5marks) d) Differentiate top-down from bottom-up; and (AN-5marks) e) Investigate bottom-up approach in the design of solar lamp for use in The rural areas of Ghana. (CR-5marks)