Henry A. Ruger

Rapidity of learning series of syllables as a function of their length.

Hermann Ebbinghaus, Henry A. Ruger, Clara E. Bussenius, 1913 .

Retention and obliviscence as a function of the time.

Hermann Ebbinghaus, Henry A. Ruger, Clara E. Bussenius, 1913 .

The possibility of enlarging our knowledge of memory.

Hermann Ebbinghaus, Henry A. Ruger, Clara E. Bussenius, 1913 .

What Pragmatism Is.

Henry A. Ruger, Charles S. Peirce, 1905 .

Retention as a function of the number of repetitions.

Hermann Ebbinghaus, Henry A. Ruger, Clara E. Bussenius, 1913 .