In a well-known quotation in Chapter 1,Kurt Lewin asserted,"There is nothing so ____ as a good theory."

Question

Quizplus · Accepted Answer

Kurt Lewin's quotation emphasises the importance of a theory being useful, which means it should have practical applications and be relevant to solving problems in the real world. A theory can be scientific, measurable, and valid, but if it cannot be applied in any practical way, it is of little use. Therefore, the most appropriate choice is D, useful.

In a Well-Known Quotation in Chapter 1,Kurt Lewin Asserted,"There Is