Let's try to visualize how our application should work.
Our users will definitely need to register, so we'll be able to grant them the ownership of their own tests; once done, they will be able to create a new test. Each test will have a name, a description, a list of questions, and a series of possible results; each question will have a descriptive text, a list of answers, and an optional image; each answer will have a descriptive text, an optional image, and a list of score points; and each result will have a descriptive text and a score value.
The score points and the score value will be extensively discussed later on. For now, we'll just state the obvious--whenever a user completes the test, the sum of score ...
