Final answer:
The most effective way to control the influence of ethnocentrism and the SRC is to recognize their effects, ask for feedback, and seek alternative opinions.
Step-by-step explanation:
To effectively control the influence of ethnocentrism and the SRC (social and cultural bias), it is important to recognize their effects on our behavior, ask for feedback on every possible occasion, and ask for a second opinion in decision-making scenarios. These actions help promote self-awareness, openness to diverse perspectives, and reduce the negative impact of cultural biases. Learning at least two foreign languages can also be beneficial in understanding cultural differences, but it may not be the most effective way to control ethnocentrism and the SRC.