In which of the following methods of teaching does the student have to find out the answer to their own problem by unaided efforts?

In the heuristic method the student discovers the answer to a problem by unaided personal effort, acting as a researcher.

The case study method examines a detailed real situation, usually discussed in a group.

The flipped classroom shifts content to home and practice to class, with teacher support.

The demonstration method has the teacher show while students watch, not investigate alone.

Heuristic teaching makes the learner self-reliant and inquiry-driven.

H. E. Armstrong developed the heuristic method, placing the pupil in the position of a discoverer.