By the 1970s, these concepts had developed into "education through firsthand experience," "education by investigation," and other concepts that differed from traditional educational models and developed in tandem with contemporary Outward Bound programs in the US.
到了七○年代逐漸發展出「體驗學習」、「探索教育」等不同於傳統教育的模式，並和當時在美國興起的外展學校理念互相融合發展。