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chose target competition

decided the theme for our app based on the competiton

discussed on the details of the app

assigned tasks for each members

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Name: Safa

Age: 20

Program: Economics (Faculty of Economics)

Lifestyle: Balances academic demands with stress eating, particularly during exams. Often has limited time for meal prep.

Goals:

Lose 5 kg to feel healthier and more confident

Maintain a balanced diet, especially during stressful periods like exams

Reduce dependency on unhealthy snacks when stressed

Challenges:

Struggles with stress eating, particularly around exam periods

Needs affordable, easy-to-follow meal ideas that don’t require much time

Finds it difficult to track local or homemade foods with most calorie tracking apps

Tech Proficiency: Moderate (comfortable using apps but prefers simple, user-friendly designs)

Motivations:

Achieving weight loss without feeling overwhelmed

Getting simple, actionable advice and gentle reminders to stay on track

Being able to easily track progress toward her goal without too much time commitment

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update on the progress of each members

prepare for the presentation

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Second Presentation on 1st SUS Evaluation

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Second Presentation on 1st SUS Evaluation

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participants are the same as the first evaluation

have three section

first section collect personal information about the participants

second section participants need to answer 10 questions

last section is for participants to add any comments for improvements

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raw data that we collect from Google Form

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comments from participants for improvement

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result after we do calculation

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Average SUS Score: 76.43

Scores ranged from 65 to 90.

The initial usability of CalorieMaster was above average (70 is considered the threshold for "good" usability in SUS).

Some users had relatively lower scores (65), indicating room for improvement in specific areas of usability.

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Average SUS Score: 90.71

Scores ranged from 62.5 to 100, with most users rating CalorieMaster highly (above 90).

The significant improvement from the pre-evaluation shows that the changes made to CalorieMaster addressed usability concerns effectively.

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Key Tasks: Users should quickly learn how to log food intake, view their BMI, set health goals, and track progress.

Suggestions:

Use a guided onboarding process to demonstrate the core features (e.g., logging food, setting goals).

Simplify the interface with clear labels like "Log Meals" or "Calculate BMI."

Include tooltips or help buttons for less intuitive features.

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Key Points: The app should streamline repetitive tasks, such as logging meals or checking daily progress.

Suggestions:

Implement quick-add options for frequently consumed meals.

Allow users to scan food barcodes for automatic entry.

Provide shortcuts, like a single-tap summary of calories remaining for the day.

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Key Consideration: The interface should remain intuitive even after a gap in use.

Suggestions:

Keep the layout consistent and avoid drastic design changes.

Provide a “Recent Activities” section or a quick reminder tutorial for returning users.

Use recognizable icons and labels that clearly indicate their functions.

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Common Errors: Users might accidentally log incorrect food items, set unrealistic goals, or forget to save entries.

Suggestions:

Include an “Undo” or “Edit” button for logged items.

Provide warnings for unlikely inputs (e.g., logging a meal with 10,000 calories).

Offer error messages that are clear and actionable, such as “Please enter a valid weight between X and Y.”

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Key Focus: The app should feel encouraging and engaging rather than judgmental.

Suggestions:

Use motivational visuals (e.g., progress charts, rewards for milestones).

Personalize the experience by allowing users to set custom goals and preferences.

Ensure the app is aesthetically pleasing with a clean, modern UI and calming color schemes.

Provide positive reinforcement messages, such as “Great job staying on track today!”

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Conducted user research through interviews and surveys to explore expectations for a calorie-tracking app.

Discovered common pain points such as confusing navigation, lack of personalized recommendations, and difficulty tracking daily progress.

Identified user priorities:

A simple interface to log food quickly.

Accurate calorie and nutrient tracking.

Clear visualization of progress toward weight and fitness goals.

Key feedback example: “I think the profile section should only be at the homepage, no need to add it to the more section page.”

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Users need a seamless and intuitive tool to track their calorie intake, manage fitness goals, and monitor progress effectively.

The app must address:

User accessibility: Simplifying navigation for all user groups, especially beginners.

Goal clarity: Ensuring users can set and track personalized fitness/diet goals effortlessly.

Progress motivation: Providing visual cues and motivational elements (e.g., rewards, badges).

Key recommendation: Add a step-by-step video guideline to guide users before starting with CalorieMaster.

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Generate innovative solutions:

Introduced features such as "Log Food," "Add Food," and "Dashboard" for comprehensive tracking.

Suggested personalization elements like tailored goals, weight tracking, and meal suggestions.

Focused on a visually appealing and user-friendly UI design.

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Develop the app prototype:

Built initial versions of the app with core functionalities like "Log Food," "Dashboard," and "Profile."

Incorporated navigation features like "More" for additional options and accessibility.

Ensured consistency in design elements for a professional look and feel.

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Refine the app based on user feedback:

Received input on navigation, ease of use, and feature placement.

Enhanced the app’s layout and functionality based on testing insights.

Improved the clarity of goals and daily progress tracking in the "Dashboard" section.

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1. How might we help users set realistic and motivating health goals tailored to their needs?

2. How might we provide personalized meal suggestions based on dietary preferences and goals?

3. How might we offer personalized feedback and tips to users to improve their health journey?

4. How might we celebrate small victories to encourage users to keep progressing?

5. How might we make tracking meals intuitive for people who are not tech-savvy?

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Safa wants to lose weight and manage stress eating during exams. She uses CalorieMaster to track meals, manage cravings, and stay on track with her weight loss goal.

Goal: Lose 5 kg and manage stress eating during exams with balanced eating habits.

Using the App:

Initial Setup: Safa sets her goal to lose 5 kg and enters her details (age, height, weight, activity level) to get a daily calorie target.

Meal Logging: She logs meals and snacks quickly, focusing on low-calorie, nutritious options to manage stress eating.

Reminders: The app sends gentle reminders to log meals and stay hydrated, especially during exams.

Meal Planning: Safa plans simple, healthy meals and snacks within her calorie limit.

Tracking Progress: She reviews weekly progress with visual charts showing weight loss.

Feedback: The app congratulates her on milestones like completing daily logs or meeting hydration goals.

Encouragement: By the end of the week, Safa feels motivated by the app’s progress reports and motivational tips.

Outcome:

Safa stays on track with her weight loss goal and feels encouraged by the app’s positive reinforcement, helping her manage her eating habits even during stressful periods.

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Respondents filled in the SUS evaluation 

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Respondents filled in the SUS evaluation 

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The SUS score improved by 14.28 points, showing a clear positive impact of the updates and changes implemented in CalorieMaster.

The post-evaluation results place the system in the "excellent" usability category, with an average score significantly higher than the standard benchmark (70).

This improvement highlights the success of our interventions and now CalorieMaster provides a highly usable and user-friendly experience.