Final answer:
Theresa's diligent and methodical approach to problem-solving, where she breaks down complex issues into smaller parts, demonstrates systematic thinking, a valuable skill for managers.
Step-by-step explanation:
Theresa, described as a diligent manager who methodically gathers information and breaks down complex problems into smaller components, is engaging in systematic thinking. This approach involves using a logical, orderly method to analyze a problem, evaluate alternative solutions, and solve issues. Systematic thinking is characterized by a structured approach to problem-solving, as opposed to making quick, impulsive decisions. It aligns with the critical analysis of information and critical reflection, aiding in more accurate decision-making, and is deemed a valuable skill in various career paths, particularly in management and technical fields like engineering.