Final answer:
The term that refers to the challenge of combining two techniques or concepts is either 'Integration difficulty' or 'Combinatorial complexity'. This is an important process in cognitive learning that involves synthesis and strategizing to develop mastery in a subject.
Step-by-step explanation:
The phrase in question refers to the difficulty often encountered when trying to apply multiple concepts or techniques simultaneously, which can be a complex process in learning and understanding new material. In educational contexts, this is often referred to as Integration difficulty or Combinatorial complexity. It involves synthesizing knowledge from different areas to form a coherent understanding, as well as integrating concepts to solve problems that cover several topics or fields. For example, learning a foreign language requires the integration of grammar, vocabulary, and pronunciation, while academic disciplines like physics may involve integrating understanding from multiple areas such as mathematics, motion, and energy to solve Integrated Concept Problems. Reflecting on previously mentioned examples, synthesis and integration are essential for cognitive learning, and while it can be challenging, it's a valuable strategy in developing a deeper understanding and forming strong neural connections that are necessary for true mastery of the subject.