Teaching Morse-Code reception with signals weighted in frequency according to their difficulty.
1955; American Psychological Association; Volume: 39; Issue: 1 Linguagem: Inglês
10.1037/h0041549
ISSN1939-1854
AutoresMurray Sidman, Fred S. Keller, Edmund J. Kennedy, Maurice P. Wilson,
Tópico(s)Education and Technology Integration
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