I was fully responsible for the UI/UX of the questionnaire, as well as the landing pages telling the site owners, market researches and programmers informtion about the product.
Other pages
I also had to draw illustrations to better convey the metaphor of the message. For example, these pages talk about the benefits of the service for developers and researchers
Gamification technics for quiz
To pass the survey, it was important to incorporate gamification elements to better engage the user
Questionnaire
The questionnaire is needed to collect marketing data, for the passage of the survey the user receives money and bonuses, it is also important to provide scenarios in case the user cheats or too quickly passes it.
Quiz user flow
The basic scenario is for the user to take the survey and answer the questions
Quiz complition
The user receives a reward for completing the survey
Help module
It was also important to think about additional scenarios, such as a module with help for the user