Morphographs is a term associated with

Morphographs are the smallest units of meaning used in writing, and the term belongs to corrective spelling.

The programme Corrective Spelling Through Morphographs teaches spelling by combining prefixes, bases and suffixes.

Corrective reading is a separate remedial programme aimed at decoding and comprehension, not spelling units.

Corrective learning is a broad, general remedial idea and is not the specific term for these written units.

Corrective behaviour concerns conduct management and has nothing to do with morphographs.

This comes from the Direct Instruction tradition associated with Siegfried Engelmann, which builds skills by explicit small steps.