Intro to Interface Design

How can personas help in improving online shopping systems?

• They help to understand users’ needs, like fast checkout for busy users.

• They provide a way to increase website traffic through SEO.

• They allow for the creation of more complex algorithms for product recommendations.

• They ensure that all users have the same shopping experience regardless of their preferences.

Your college app is slow during peak hours. What kind of requirement is this?

• Functional requirement

• Non-functional requirement

• User requirement

• System requirement

What is the goal of task analysis?

• To understand what users are trying to do and how.

• To create a detailed project plan.

• To evaluate the performance of a system.

• To design user interfaces without user input.

Analyze why focus group data might be biased.

• Some people may talk too much and affect others’ opinions.

• Focus groups always represent the entire population accurately.

• Participants are usually selected randomly from the population.

• Focus groups eliminate all forms of bias in data collection.

Analyze how a ride-sharing app helps users complete tasks easily.

• Shows driver info, map, and estimated time clearly.

• Provides a chat feature for users to communicate with drivers.

• Offers discounts for frequent users.

• Allows users to book rides without an internet connection.

Compare direct vs indirect observation in gathering data.

• Direct observation involves using tools to record data.

• Indirect observation means watching live events.

• Direct observation means watching live events; Indirect observation uses video or tools to record.

• Indirect observation involves real-time data collection.

Who are novice users?

• Users who are using the system for the first time.

• Users who are experts in using the system.

• Users who have used the system for several years.

• Users who are familiar with basic functionalities of the system.

Refer to a screenshot showing a file upload bar with percentage. What kind of feedback is this and why is it helpful?

• It is auditory feedback that alerts users when the upload is complete.

• It is visual progress feedback that helps users know the system is working and how long it may take.

• It is textual feedback that provides detailed information about the file being uploaded.

• It is haptic feedback that gives users a physical sensation during the upload process.

What is the purpose of scenarios in design?

• To imagine how users will use the system.

• To create a detailed technical specification.

• To outline the budget for the project.

• To define the marketing strategy.

Why might a system fail if only expert users are included in testing?

• It may be too hard for new users who were not considered.

• Experts may overlook common user errors.

• The system may be too advanced for any user.

• Testing with experts guarantees success.