Step 1: Understanding the Concept:
Participatory community assessment approaches evolved from top-down RRA into bottom-up participatory methodologies.
Step 2: Detailed Explanation:
Participatory Rural Appraisal (PRA) was pioneered and conceptualized by British development scholar Robert Chambers (Institute of Development Studies, Sussex) during the late 1980s and early 1990s.
PRA empowers local rural communities to conduct their own appraisal, analysis, spatial mapping, and project planning, operating on the core philosophy of 'handing over the stick' to local people.
Step 3: Final Answer:
Thus, Participatory Rural Appraisal was introduced by Robert Chambers, corresponding to option (A).