A shift from "problem solving" to "problem finding" reflects the development of:

The answer is Post-formal thought. To simplify, a shift from problem-solving to problem finding reflects the development of post-formal thought. In addition, a possible fifth stage of cognitive development that characterizes adult thinking is post-formal thought. The post-formal thought is habitually defined as more flexible, reasonable, eager to receive moral and knowledgeable difficulties, and dialectical than preceding stages in improvement.