I have read the information above and voluntarily agree to participate in this survey.
Yes, I agree to participate
Participant ID (optional, for research tracking purposes only)
Date of survey completion
What is your age?
Under 18
18–20
21–24
25–29
30 or above
Prefer not to say
Are you currently an international student?
What is your first language?
In which region did you mainly grow up?
East Asia
South Asia
Southeast Asia
Europe
Middle East and North Africa
Sub-Saharan Africa
North America
Latin America and the Caribbean
Other (please specify in the next question)
Prefer not to say
If you selected 'Other' in the previous question, please specify the region here:
How long have you lived in Germany?
Less than 3 months
3–6 months
7–12 months
1–2 years
More than 2 years
Not currently in Germany
How confident are you using German for everyday tasks? (1 = Not at all confident, 5 = Very confident)
How often do you cook per week?
Rarely or never
1–2 times
3–4 times
5–6 times
7 or more times
How often do you use recipe websites or apps?
Never
Less than monthly
Several times a month
Several times a week
Almost daily
Task B1: Find a simple recipe that can be prepared within 30 minutes. How did you complete this task?
Independent
With help
Not completed
Task B2: Find a substitute for an ingredient that is difficult to buy. How did you complete this task?
Independent
With help
Not completed
Task B3: Change the interface to your preferred language. How did you complete this task?
Independent
With help
Not completed
Task B4: Create a recipe containing ingredients and steps. How did you complete this task?
Independent
With help
Not completed
Task B5: Find a nearby shopping location or community help. How did you complete this task?
Independent
With help
Not completed
Which task was the most difficult to complete?
B1 (Find 30-minute simple recipe)
B2 (Find difficult-to-buy ingredient substitute)
B3 (Change interface language)
B4 (Create a recipe)
B5 (Find shopping location/community help)
No task was particularly difficult
Please explain why you selected the task above as the most difficult (or write 'N/A' if no task was difficult):
C1: I could quickly understand the information on the home screen. (1 = Strongly disagree, 5 = Strongly agree)
C2: The main navigation items were easy to find. (1 = Strongly disagree, 5 = Strongly agree)
C3: The search and filter functions matched my expectations. (1 = Strongly disagree, 5 = Strongly agree)
C4: The wording in the interface was clear and consistent. (1 = Strongly disagree, 5 = Strongly agree)
C5: The language-switching function was easy to discover. (1 = Strongly disagree, 5 = Strongly agree)
C6: The images helped me understand the recipe and cooking steps. (1 = Strongly disagree, 5 = Strongly agree)
C7: The text size, colors, and information hierarchy were easy to read. (1 = Strongly disagree, 5 = Strongly agree)
C8: I could understand the relationship between the original and substitute ingredients. (1 = Strongly disagree, 5 = Strongly agree)
C9: The substitution suggestions provided enough explanation. (1 = Strongly disagree, 5 = Strongly agree)
C10: I understood how a substitute might affect the dish. (1 = Strongly disagree, 5 = Strongly agree)
C11: The cultural background information helped me understand the recipe. (1 = Strongly disagree, 5 = Strongly agree)
C12: The cultural content was respectful and avoided overgeneralisation. (1 = Strongly disagree, 5 = Strongly agree)
C13: The community and map features did not distract from the main recipe flow. (1 = Strongly disagree, 5 = Strongly agree)
C14: The feedback after an action made the system status clear. (1 = Strongly disagree, 5 = Strongly agree)
C15: If I made an error, I felt able to go back and continue. (1 = Strongly disagree, 5 = Strongly agree)
C16: Overall, I would consider using this app when cooking abroad. (1 = Strongly disagree, 5 = Strongly agree)
D1: How important is the 'Multilingual interface' feature to you? (1 = Not important at all, 5 = Very important)
D2: How important is the 'Local ingredient names' feature to you? (1 = Not important at all, 5 = Very important)
D3: How important is the 'Ingredient substitutions and ratios' feature to you? (1 = Not important at all, 5 = Very important)
D4: How important is the 'Visual step-by-step instructions' feature to you? (1 = Not important at all, 5 = Very important)
D5: How important is the 'Cultural background information' feature to you? (1 = Not important at all, 5 = Very important)
D6: How important is the 'Local shopping map' feature to you? (1 = Not important at all, 5 = Very important)
D7: How important is the 'Community exchange' feature to you? (1 = Not important at all, 5 = Very important)
E1: Which feature of the prototype was most helpful, and why?
E2: Which word, icon, or screen was most confusing? Please describe in detail.
E3: What information would you need to trust an ingredient substitution suggestion?
E4: If only one thing could be changed in the prototype, what should it be? Please explain briefly.