0. Who is known as the father of educational psychology?
Johann Friedrich Herbart is considered the father of educational psychology for applying psychology principles to teaching and developing structured instructional methods.
Option A: Pestology
Incorrect; Pestalozzi contributed to education but is not linked with educational psychology.
Option B: Devy
Incorrect; possibly a misspelling. John Dewey was a major educational reformer but not the "father" of educational psychology.
Option C: Herbart
Correct; he applied psychological insights to educational practice systematically.
Option D: Spencer
Incorrect; Herbert Spencer was a philosopher, not a foundational figure in educational psychology.