Answer:
He concluded through the hidden curriculum.
Step-by-step explanation:
The hidden curriculum refers to all knowledge involuntarily learned, which is not taught through formal class methods. The hidden curriculum is carried out when students interact with other students, how they learn class rules, values, social norms, among others.
The hidden curriculum can be very diverse, as people present different ways of learning.
For example, in the case of the German student, he realized that students in the United States use memorization for their learning; That strategy is part of the hidden curriculum, because the teacher has not told you how to learn the texts. Also, the German student is making use of the hidden curriculum; he learned to draw conclusions through observation.
I hope this information can help you.