A. the duplicity theory
B. Wever’s volley principle
C. Hering’s opponent process theory
D. Helmholtz’s trichromatic theory
Correct Answer: C. Hering’s opponent process theory ✔
Last Updated: April 12, 2021
A. the duplicity theory
B. Wever’s volley principle
C. Hering’s opponent process theory
D. Helmholtz’s trichromatic theory
Correct Answer: C. Hering’s opponent process theory ✔
Last Updated: April 12, 2021