Question

Difficulty: EasyCorroborating Claims Across Sources

Consider the following summaries of two sources concerning a sustainable transit initiative in Bogotá, Colombia:

Source 1 (Audio Interview with a City Planner): The planner explains that introducing electric bus fleets has reduced central district air pollution by nearly twenty percent. Additionally, the planner notes that targeted community workshops noticeably improved public commuter satisfaction.

Source 2 (Print Assessment from the Transportation Ministry): The ministry report documents that electric bus fleets have led to an eighteen percent drop in central air contaminants. The report emphasizes that high initial vehicle purchase costs represent the most significant barrier to long-term program expansion.

Which source validates each of the following claims? Match each claim with its corresponding source validation.

  • The deployment of electric buses resulted in a measurable reduction in central air pollution.Corroborated by both the audio interview and the print assessment
  • High upfront vehicle procurement costs constitute the primary hurdle to fleet expansion.Supported exclusively by the print assessment
  • Targeted community workshops contributed to higher public commuter satisfaction.Supported exclusively by the audio interview

Answer

The reduction in central air pollution is corroborated by both sources; high vehicle procurement costs are supported exclusively by the print assessment; and improved commuter satisfaction from workshops is supported exclusively by the audio interview.
The claim regarding reduced air pollution is corroborated across both sources because the audio interview mentions an approximate twenty percent decline in central emissions and the print assessment documents an eighteen percent drop. In contrast, the financial hurdle of vehicle procurement is unique to the print assessment, and the commuter satisfaction gains via community workshops are unique to the audio interview.

Step-by-Step Solution

1
Analyze each claim against the information provided in Source 1 (Audio Interview).
Source 1 affirms the reduction in central air pollution and the positive effect of community workshops on commuter satisfaction.
This establishes which claims are directly attested in the audio source.
2
Analyze each claim against the information provided in Source 2 (Print Assessment).
Source 2 affirms the reduction in central air pollution and identifies high vehicle acquisition costs as the main expansion hurdle.
This identifies which claims are directly verified in the print source.
3
Cross-reference findings to determine shared corroboration versus single-source support.
Air quality improvement appears in both sources; cost hurdles appear only in the print source; workshop impacts appear only in the audio source.
Corroboration requires mutual confirmation across both independent sources.

Key Concept

Cross-Source Corroboration and Attribution
Estimated Time:45s
Rate this question