Building a Spanish Dossier from Diverse Sources with Conflicting Evidence

In this lesson, you will build a traceable dossier from diverse sources. The dossier must show claims, evidence, dates, source relationships, limitations, contradictions, and gaps. A good dossier does not merely collect documents; it lets another reader trace every conclusion back to its origin.

Dossier issue

Question:

— Why did delivery delays increase during the second quarter?

Source register

Source	Date	Type	Main claim
A	12 May	Internal report	Approval steps increased
B	18 May	Manager interview	Staffing became unstable
C	20 May	News article	Quotes the internal report
D	2 June	System log	Average processing time rose

Source independence

Source C repeats Source A.

Therefore:

— The article does not constitute independent confirmation of the report if it merely reproduces its figures.

Do not count repetition as corroboration

Weak:

— Two sources confirm that approval steps increased.

If one simply quotes the other, there is only one underlying evidential source.

Claim table

Claim 1:

— The average number of approval steps increased from four to six.

Source:

— internal report dated May 12.

Limitation:

— by itself, it does not demonstrate that this change caused the delay.

Claim 2

— Staff turnover was especially high in two teams.

Source:

— interview with the operations manager.

Limitation:

— testimony from one person.

Claim 3

— Average processing time increased by 9%.

Source:

— system log.

This is direct operational evidence for slower processing, but not yet for its cause.

Contradiction

Manager:

— The main problem was staff shortage.

Internal report:

— No conclusive relationship is identified between staffing levels and delays.

Do not hide this disagreement.

Possible reasons for disagreement

They may use different periods.

They may define staffing differently.

The manager may be describing two teams while the report aggregates the whole organization.

These are hypotheses to investigate, not answers to assume.

Gap log

Missing:

— workload data by team.

Missing:

— exact date on which the approval process changed.

Missing:

— comparison between teams with and without high turnover.

Traceable conclusion

Supported:

— The delays coincided with an increase in approval steps and staffing problems in at least two teams, but the dossier does not yet allow us to determine which factor had greater causal weight.

Do not hide contrary evidence

If a system log shows one team improved despite higher approval burden, include it.

Contrary evidence can reveal that the effect depends on team structure or another variable.

Dossier traceability

Each conclusion should answer:

— Which source does it come from?

— Is it direct evidence or interpretation?

— What date does it cover?

— What limitation does it have?

A practical dossier method

Register every source with date, type, and origin.
Separate independent evidence from repetition of another source.
Track claims and limitations individually.
Record contradictions explicitly.
Maintain a gap log.
Link every synthesis statement back to its source or sources.
Do not suppress evidence that challenges the preferred explanation.

From Dossier Building to Unpredictable Defense

You can now build a dossier whose conclusions remain traceable even when the evidence conflicts. The next lesson teaches Defending a Complex Spanish Synthesis Under Unpredictable Questioning.