INF3720 Assignment 2 (DETAILED ANSWERS) 2024 - DISTINCTION GUARANTEED

INF3720 Assignment 2 (DETAILED ANSWERS) 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references ...... Question 1: 13 marks Question 1.1 Many software products suffer from interaction design errors that are annoying to users because they do not follow fundamental design principles. As an interaction designer, how can you ensure that software products are designed to provide a good user experience? (2 marks) Question 1.2 There is a fine line between an interaction that works and one that is usable. Designing interactions that work and are usable is achievable if design principles are appropriately applied. Discuss the design principles that guide interaction design. (5 marks) Question 1.3 Identify and discuss five usability goals. Also, provide one positive or one negative comment regarding the usability of myUnisa that you have experienced for each of the goals. (6 marks) Question 2: 19 marks Question 2.1 Assume that you are involved in developing a new mobile learning site for a high-school mathematics course. Suggest ways to apply the usercentred principles in this task. (9 marks) Question 2.2 As an interaction designer, assume that you developed a mobile application for managing recipes for everyday cooking. Discuss what could have inspired you when designing the application? (5 marks) Question 2.3 When following a user-centred approach in interaction design, there is a principle of ‘focus on users and tasks early’. This is one of the principles that make it easy and useful to use a computer system. Name and explain the five sub-principles that explain the meaning of the above statement. (5 marks) Question 3 (9 marks) Loadshedding is a problem in South Africa. As an interaction designer, your local municipality approached you to design a load-shedding application that runs on a smartphone. As the first step in designing the load-shedding application, apply the core components of the conceptual model to answer the following questions. 3.1 For each component of the conceptual model (4 marks): • Provide a metaphor and analogy that you are going to use when designing the load-shedding application. • Provide concepts to which people will be exposed through the app. • Provide examples of relationships between concepts. • Provide the mappings between the concepts and the UX the product is designed to support. 3.2 Draw a conceptual model for the load-shedding application. (5 marks) Question 4 (10 marks) Visit myUnisa and familiarise yourself with the discussion forums. Your task is to evaluate discussion forums and not to vent your frustrations about your e-tutors or the lecturer. Focus on evaluating the discussion forum. Evaluate the discussion forum from the perspective of social interaction of distance learning students and discuss people’s social disposition, the ideal of face-to-face conversations and the challenges. Discuss remote conversations and co-presence of distance learning students. (10 marks) Answer Chapter 6 Question 5: 15 marks As an interaction designer, you were hired to develop an app that tracks eating habits. The app helps users monitor their nutrition, calories, and daily activities. Similar apps exist; however, the app you are designing must support South African adult users. Answer the following questions. 5.1 Explain the strategies for ensuring that the designed app is persuasive. (3 marks) 5.2 How are you going to design an interface that is believable and trustworthy (3 marks) 5.3 How are you going to eliminate the possibility of creating an annoying interface (3 marks) 5.4 How are you going to make the app aesthetically pleasing to users? (3 marks) THEORY APPLICATION 4.1 People’s social disposition 4.2 In-person face-to-face conversations 4.3 Challenges for Discussion Forums 4.4 Remote conversations 4.5 Co-presence 5.5 What technologies are you going to use to detect the emotional states of users (3 marks) Answer Question 6: 10 marks There are gadgets on the market for reading e-books, watching movies, or viewing pictures. The exact design differs between models, but they support book reading in a way as comfortable as reading a paper book. The developer of a new electronic gadget wants to find out how appealing it will be to young people under 18 years of age. You were contracted to carry out interviews by the developer. Answer the following questions in preparation for the interview: 6.1 What is the goal of your data-gathering session? (2 mark) 6.2 List any three techniques that could be used to capture the interviews. (3 marks) 6.3 What are the disadvantages of taking notes during interviews? (2 marks) 6.4 Suggest any three unstructured interview questions. (3 marks) Answer Theory APPLICATION 5.1 Persuasiveness 5.2 Believable and trustworthy 5.3 Annoying Interfaces 5.4 Aesthetically pleasing 5.5 Emotional states APPLICATION 6.1 Goal 6.2 Techniques 6.3 Annoying Interfaces Chapter 11 (and all other preceding Chapters) Question 7: (9 marks) School of Computing has a small library not associated with the university’s main library. The library has a collection of information systems textbooks and computer science journals. The library uses an Excel spreadsheet to manage the library, and the challenge is that when borrowers get books from the library, they return them late or sometimes never return them. The borrowers include students and all school computing staff. You were approached to write a software program to track late returns and non-returned books. 7.1 Identify two common types of requirement discovery in the context of the library system (2 marks). 7.2 Create any 2 functional requirements of the library system (2 marks). 7.3 Choose one functional requirement of the library systems and present it as an atomic requirement. Use the Volere template (refer to the prescribed book). (5 marks) Chapters 14-16 Question 8 (15 marks) Go to myUnisa under Additional resources and download the file “Case study – Academic library. pdf”. Read the case study and answer the following questions. 8.1 What was the purpose of the usability evaluation? (1 marks) 8.2 What challenges were encountered in performing the usability testing of the website? (4 marks) 8.3 What data collection methods were used to collect data? (5 marks) 6.4 Disadvantages of taking notes 6.5 Unstructured interview questions 8.4 List five issues discovered by usability testing. (5 marks)