Kellogg died in 1972, but not without leaving his mark on the field of comparative psychology.

This is indeed a legitimate question: natural history should include comparative psychology, an account of what different animal species can do.

Behavioral ecology in the 1970s gave a more solid base of knowledge against which a true comparative psychology could develop.

Carr also made contributions in the areas of comparative psychology, educational theory, and visual space perception.

Such phases have raised interest in studies in aspects of comparative psychology and evolution.

Thus, comparative psychology and animal cognition are heavily overlapping research categories.

Edward's thesis is sometimes thought of as the essential document of modern comparative psychology.

Yerkes was a pioneering primatologist who specialized in comparative psychology.

Indeed, some early attempts at a genuinely comparative psychology involved evaluating how well animals of different species could learn different tasks.

The Animal Mind went through several additions, in 1917, 1926, and 1936 and remained the standard textbook of comparative psychology for nearly 25 years.