To achieve testability in modular software we need to leverage the Dependency Inversion Principle (DIP) up to the level of application architecture. That was the reasoning behind introducing the concept of Infrastructure-Modules. When we extract all the infrastructure code from Business-Modules, they can stay focused on the business logic and have no design/compile-time dependencies on any untestable infrastructure code. As a side effect, we achieve Separation of Concerns.
雷布夏特認為，不應將新科技視為對人類教師的威脅，而應視為互補。他指出，科技能為學生提供額外的練習與回饋，並擴大學習的可及性。
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