Field LabPractitioner-tested

Broad or Narrow Search? A 120-Record Recall–Precision Benchmark

How do four locked search strategies trade recall against precision on a frozen collection with known eligibility labels? Executed on frozen inputs with inspectable results, negati

Broad or Narrow Search? A 120-Record Recall–Precision Benchmark. A visible map of the frozen unit, baseline, principal result fields, and interpretation boundary for recall–precision tradeoff. Download the SVG asset.
Direct answer

On the frozen records, the broad topic strategy recovered relevant records but admitted adjacent populations and commentary, while the locked-eligibility strategy traded volume for precision. Begin with explicit eligibility, test the query against known key records, and preserve excluded records when the reason is uncertain. This is evidence about information retained or retrieved in one labeled bibliographic record, not about comprehension, truth, or real-world prevalence.

Search breadth is not a moral virtue

recall–precision tradeoff rarely disappears all at once; it is more often lost one field, one cutoff, or one retrieval choice at a time. The predetermined research question is: How do four locked search strategies trade recall against precision on a frozen collection with known eligibility labels? By fixing one labeled bibliographic record, the test can show the trade without pretending to measure what a reader later understands.

The broad topic query retrieves every topic match without using population or study-design eligibility criteria. Against that baseline, recall–precision tradeoff is intentionally plain enough to expose what the richer operation adds. A different evidence-search strategies field, rule, or format would be a useful new comparison—not permission to rewrite this denominator retrospectively.

Frozen recall–precision tradeoff records fix records: 120; relevant: 8; strategies: 4. Because this evidence-search strategies collection is constructed and labeled in advance, it offers an inspectable comparison rather than a universal performance estimate.

Results: the information trade exposed by recall–precision tradeoff

| Recorded result | Value | |---|---| | broad-topic | retrieved=30; recall=1; precision=0.267 | | topic-plus-population | retrieved=10; recall=1; precision=0.8 | | topic-plus-design | retrieved=24; recall=1; precision=0.333 | | locked-eligibility | retrieved=8; recall=1; precision=1 |

In aggregate, recall–precision tradeoff reveals a trade rather than a winner: the broad topic strategy recovered relevant records but admitted adjacent populations and commentary, while the locked-eligibility strategy traded volume for precision. Its strongest conclusion concerns one labeled bibliographic record. A different study would be needed to establish comprehension, truth, or downstream usefulness of evidence-search strategies.

The prespecified negative finding for recall–precision tradeoff is equally important: The broadest strategy achieved high recall but did not distinguish adult evidence from adjacent populations or commentary. It marks the point at which this evidence-search strategies method becomes silent, a condition a reader needs before deciding whether to use the rule.

Four queries enter the same frozen collection

The comparison changes only the declared information operation across 3 locked stages:

  1. Freeze one hundred twenty records crossing four topics, three populations, and four study designs.
  2. Define relevance before search as retrieval-practice records about adults that are not commentary.
  3. Run four Boolean strategies unchanged and calculate recall and precision from the known labels.

Across the recall–precision tradeoff diagram and JSON, the same unit, sample, and result fields remain visible. If those evidence-search strategies representations disagree, the visual is wrong; visual polish cannot override the canonical executed record.

Open the row-level evidence for recall–precision tradeoff

The complete sanitized raw data is the canonical record for this run. In the excerpt, recall–precision tradeoff is deliberately less polished than a chart. It preserves fields that evidence-search strategies can remove and keeps uneventful rows available for challenge.

  • Row 1 — record Id: R001; topic: retrieval; population: adult; design: randomized; relevant: true.
  • Row 2 — record Id: R002; topic: rereading; population: adult; design: randomized; relevant: false.
  • Row 3 — record Id: R003; topic: feedback; population: adult; design: randomized; relevant: false.
  • Row 4 — record Id: R004; topic: motivation; population: adult; design: randomized; relevant: false.
  • Row 5 — record Id: R005; topic: retrieval; population: school; design: randomized; relevant: false.
  • Row 6 — record Id: R006; topic: rereading; population: school; design: randomized; relevant: false.
  • Row 7 — record Id: R007; topic: feedback; population: school; design: randomized; relevant: false.
  • Row 8 — record Id: R008; topic: motivation; population: school; design: randomized; relevant: false.
  • Row 9 — record Id: R009; topic: retrieval; population: university; design: randomized; relevant: false.
  • Row 10 — record Id: R010; topic: rereading; population: university; design: randomized; relevant: false.
  • Row 11 — record Id: R011; topic: feedback; population: university; design: randomized; relevant: false.
  • Row 12 — record Id: R012; topic: motivation; population: university; design: randomized; relevant: false.
  • Row 13 — record Id: R013; topic: retrieval; population: adult; design: observational; relevant: true.
  • Row 14 — record Id: R014; topic: rereading; population: adult; design: observational; relevant: false.
  • Row 15 — record Id: R015; topic: feedback; population: adult; design: observational; relevant: false.
  • Row 16 — record Id: R016; topic: motivation; population: adult; design: observational; relevant: false.
  • Row 17 — record Id: R017; topic: retrieval; population: school; design: observational; relevant: false.
  • Row 18 — record Id: R018; topic: rereading; population: school; design: observational; relevant: false.
  • Row 19 — record Id: R019; topic: feedback; population: school; design: observational; relevant: false.
  • Row 20 — record Id: R020; topic: motivation; population: school; design: observational; relevant: false.
  • Row 21 — record Id: R021; topic: retrieval; population: university; design: observational; relevant: false.
  • Row 22 — record Id: R022; topic: rereading; population: university; design: observational; relevant: false.
  • Row 23 — record Id: R023; topic: feedback; population: university; design: observational; relevant: false.
  • Row 24 — record Id: R024; topic: motivation; population: university; design: observational; relevant: false.
  • Row 25 — record Id: R025; topic: retrieval; population: adult; design: review; relevant: true.
  • Row 26 — record Id: R026; topic: rereading; population: adult; design: review; relevant: false.
  • Row 27 — record Id: R027; topic: feedback; population: adult; design: review; relevant: false.
  • Row 28 — record Id: R028; topic: motivation; population: adult; design: review; relevant: false.
Evidence snapshotHigh confidence

The executed recall–precision tradeoff record shows that the broad topic strategy recovered relevant records but admitted adjacent populations and commentary, while the locked-eligibility strategy traded volume for precision. Row-level evidence-search strategies fields support that bounded finding, while no field represents human learning, reader comprehension, or real-world deployment.

lab-record

Claim sources: lab-record

Evidence snapshotModerate confidence

The reviewed method source supplies a relevant standard for context, traceability, or explicit evaluation of evidence-search strategies. It disciplines interpretation of evidence-search strategies; it does not generate or independently confirm this local aggregate.

method-source

Claim sources: method-source

The recall–precision tradeoff rival: more information is not always better

The narrow strategy appears superior only because the eligibility criteria are completely represented in this toy collection. Real databases contain missing metadata, synonyms, and records whose relevance is visible only in full text.

The rival view prevents recall–precision tradeoff from becoming a ritual. If an added evidence-search strategies field, budget, or source role never changes retrieval or interpretation in the target context, the simpler operation deserves to win.

That reversal condition keeps recall–precision tradeoff from becoming either technological maximalism or ritual caution. The evidence-search strategies procedure earns its place only when it makes a consequential uncertainty, tradeoff, or failure more visible.

Diagnose misses before narrowing again

Begin with explicit eligibility, test the query against known key records, and preserve excluded records when the reason is uncertain. Recalculate the recall–precision tradeoff aggregate from raw rows, then examine evidence-search strategies losses by field rather than headline score. Changing the recall–precision tradeoff corpus, cutoff, mapping, or relevance judgment creates a new run.

The working sequence for recall–precision tradeoff is specific to this study: lock the question and baseline, freeze the unit, execute the declared transformation, retain negative findings, and separate the local result from any transfer claim.

Precision can conceal a silent exclusion

A high recall–precision tradeoff aggregate can conceal the population, caveat, or record that matters. Decorative evidence-search strategies provenance retains a link while discarding the field that explains why it supports the claim.

Reproducibility in evidence-search strategies also fails when a download cannot regenerate the claim in the prose. This recall–precision tradeoff record keeps protocol, sample, aggregates, limitations, negative findings, and row-level output in one parseable object so that disagreement can reach the actual computation.

Where this recall–precision tradeoff result stops

Limits and counterevidence

The balanced synthetic collection is transparent but far simpler than a bibliographic database with synonyms, indexing errors, and missing abstracts. The frozen recall–precision tradeoff collection enables a clean comparison at the cost of ecological variety. A evidence-search strategies field can be present or retrievable without being noticed, understood, or used well.

This recall–precision tradeoff limit specifies the next experiment. Transfer of this evidence-search strategies result requires records from the target context, the same visible denominator, and a fresh execution—not stronger adjectives attached to the present run.

Related reading:

The recall–precision tradeoff result should be judged by what remains recoverable, not by how fluent the surviving output appears.

Named sources

Evidence and further reading

  1. Broad or Narrow Search? A 120-Record Recall–Precision Benchmark — Sanitized Raw Recordpractitioner · accessed 2026-07-28
  2. Framework for Information Literacy for Higher Educationofficial · accessed 2026-07-28
Publication record

Published July 29, 2026. No substantive revision has been recorded. Evidence last verified July 28, 2026.