ISFP and INFP are both gentle, private, and guided by what feels right rather than what the rules say. The letter that differs is S versus N, and it shows in what you pay attention to: the thing in front of you, or what it means.
ISFP lives in the moment; INFP lives in what the moment could mean.
The only letter that differs is S versus N.
This pair means strong I, F, and P with an S/N score near the middle. S/N is the axis people rarely notice in themselves, and it moves with the task: practical work pulls it toward S, reflective time toward N. If your results split this way, look at what you were doing that week.
Yes, if your S/N score is near the middle. The two share the same temperament and values; they differ in whether attention goes to the concrete or to the possible.
Yes. Adventurer is the nickname used for ISFP and Mediator for INFP.
No. ISFP creativity is in the making, the eye, and the craft; INFP creativity is in the idea and the story. Both are artists; they just start from different ends.
The four-scenario test scores each area of your life on its own, so instead of one label you see where ISFP shows up, where INFP does, and which letter is doing the moving.