NR-702B · Week 2 of 8 · The search trail behind your evidence

NR-702B Week 2 The Search Trail: How to Write It

The short answer

Early in a three-credit project practicum the writing typically has to account for how the evidence was found, not only what it says. A search trail is the reproducible record of that work: the databases, the terms, the limits, the dates, the screening decisions and the count of what survived each step. A reader who cannot follow the trail cannot tell whether your evidence set is the defensible one or the convenient one, and that distinction is what the section is scored on. Your section may print this as NR 702B or NR702B; it is the same course. Chamberlain publishes no syllabi outside Canvas. The placement here is our teaching judgment from the course's catalog arc; your section's rubric decides what your week actually asks.

NR 702B Week 2 grading scale at Chamberlain, the criterion levels this assessment is scored on, from Chamberlain Tutors
How Chamberlain grades NR 702B Week 2, visualized by Chamberlain Tutors.

What NR-702B Week 2 asks for

Why does a search have to be written down at all? Because a doctoral project asks a reader to accept that the evidence behind a proposed change is representative rather than selected. A wound care clinic proposing a standardized offloading protocol will find that the literature uses at least four different phrases for the same practice, that some of the strongest work sits in podiatry and endocrinology journals rather than nursing ones, and that a search built only from the words clinicians use in the room will miss most of it. Writing the trail forces those problems into the open early, while there is still time to fix the search rather than to defend a thin set at a committee meeting.

The second demand is a screening rule stated before it is applied. Inclusion and exclusion criteria written in advance are what separate an evidence set from a collection. They should be concrete: publication window, setting types, population, whether the outcome resembles yours, language, and whether the study reports the intervention in enough detail to be replicated at your site. That last criterion matters more in translation work than in research reviews, because a study that reports a benefit without describing what was actually delivered cannot guide implementation.

Third, the 192-hour block makes this genuinely achievable rather than aspirational. A three-credit practicum has room for a search done properly: several databases, a hand search of reference lists, a look at guideline repositories and professional bodies, and a documented screening pass. Depth here pays across the entire sequence, because a defensible set assembled once will carry the synthesis, the intervention selection and much of the final proposal without being rebuilt.

The boundary that governs every page in this manual. Practicum hours, hour logs, encounter counts, site documentation, preceptor evaluations and signatures are the student's own record and are never drafted, reconstructed or estimated with help. No tutor performs, observes or documents clinical activity on a student's behalf. Support belongs to the written and preparatory layer only: structuring a search account, writing screening criteria clearly, tightening prose to doctoral register. Where writing draws on real encounters at your site, de-identify every patient detail and describe the setting by type and size rather than by name.

The NR-702B Week 2 method, step by step

Seven moves for building a search a committee can follow and reproduce.

  1. Break the question into concept blocks

    Population, intervention and outcome as three separate lists. Within each list, collect every synonym the literature uses, including the formal indexing terms and the clinical shorthand. Most thin searches are one missing synonym away from being adequate.

  2. Search where your intervention is published, not only where you are comfortable

    Nursing databases carry the delivery literature, medical databases carry the effectiveness trials, and guideline repositories carry the normative statements. Note which you used, because a search of one database is a documented limitation rather than a search.

  3. Record the exact strings and the dates you ran them

    Copy the query as executed, with limits, into a working file the moment you run it. Reconstructing a search weeks later from memory is unreliable, and the string is what makes the account reproducible.

  4. Write inclusion and exclusion criteria before screening

    Five or six lines, each testable by someone else without judgment calls. Criteria written after screening tend to describe the studies you already liked, which a reader can usually detect from how neatly they fit.

  5. Screen in two passes and count at every step

    Titles and abstracts first, then full text. Keep the numbers: identified, after duplicates removed, screened, full text assessed, included and excluded with reasons. Those counts are the spine of the written account.

  6. Hand search the reference lists of your best sources

    The strongest studies cite one another, and reference chasing routinely surfaces work that database indexing missed. Say that you did it and what it added, since it is evidence of thoroughness a reader cannot infer.

  7. Write the exclusion reasons honestly, including the awkward ones

    Excluded because the intervention was delivered by a role your site does not employ is a real reason and a useful one. Excluding a study because its finding was inconvenient is not, and a reader who reconstructs your search will find the omission.

A layout and word budget for a search account

The frame we use for a search and screening deliverable, sized for roughly 1,200 to 1,500 words in a three-credit block. It is our own outline rather than anything the university publishes, and your week's rubric outranks it wherever they disagree. If a flow diagram is required, the counts move into the figure and the prose shortens.

SectionWhat belongs in itWord target
What the search is forThe question the evidence must answer, restated in one sentence so the criteria that follow have an anchor.90 to 120
Concept blocks and termsThe three lists of synonyms and indexing terms, with a note on which yielded the most useful results.180 to 220
Databases and sourcesEach database named with the dates searched, plus guideline repositories and any professional body consulted.150 to 190
Search stringsThe queries as executed, with limits and filters, presented so a reader could rerun them.120 to 160
Screening criteriaInclusion and exclusion rules written as testable lines, with the reasoning behind the harder choices.200 to 250
Flow and countsIdentified, deduplicated, screened, assessed, included, with exclusion reasons grouped by category.170 to 210
What the set looks likeDesigns, settings, years and populations of what survived, and what the shape of the set implies.190 to 230

Evidence craft for search and screening writing

Name a reporting convention and follow it. Standards exist for describing how evidence was identified and screened, and adopting one gives your account a structure a reader already knows how to read. Say which convention you followed rather than inventing headings that approximate it.

Distinguish indexing terms from keywords in the text. Controlled vocabulary and free text behave differently, and a reader assessing your search wants to know you used both. One clause noting which terms were subject headings and which were text words demonstrates search literacy more efficiently than a paragraph of description.

Report counts, not impressions. Write that 412 records were identified, 63 remained after screening titles and abstracts, 24 were assessed in full text and 11 were included. Phrases like several relevant studies were found tell a reader nothing about how selective the process was.

Treat grey literature deliberately. Quality improvement work, professional society statements, state health department reports and organizational protocols often carry the operational detail that peer-reviewed effectiveness studies omit. Say whether you searched them, where, and how you judged their reliability, because including them silently is as weak as omitting them without reason.

State the limits of your own search. Language restriction, single reviewer screening, a narrow publication window, databases your library does not license. Every practicum search has limits, and naming them accurately is what allows a reader to weigh your set instead of assuming the best or the worst.

Five mistakes that cost points in this week's territory

  • A search described in the past tense with no strings. Saying a comprehensive search was conducted, without terms, databases or dates, is an assertion rather than an account.
  • Criteria invented after the fact. Rules that fit the retained studies suspiciously well suggest the screening ran on preference, and readers test this by asking what was excluded.
  • One database, presented as a full search. Different databases index different journals, and the intervention literature is rarely concentrated in the one nurses use most.
  • No counts anywhere. Without numbers at each stage the process cannot be reproduced or judged, which defeats the purpose of writing it at all.
  • Guidelines quoted without versions. Normative documents are revised, and an undated recommendation is a claim about current practice from an unknown point in time.

Before you submit

  • Each concept block lists both indexing terms and free-text synonyms
  • Every database is named with the date the search was run
  • The search strings appear as executed, including limits
  • Inclusion and exclusion criteria are testable by someone other than you
  • Counts appear at every stage, with exclusion reasons grouped
  • Hand searching and grey literature are described or their absence acknowledged
  • The paragraph describing the final set says what its shape implies
  • The limits of the search itself are stated plainly

Documenting the NR-702B search?

Send the rubric and your working search notes out of Canvas. A premium original draft comes back in 24 to 48 hours with the trail written so a reader could rerun it, the criteria testable, and the counts consistent at every stage, and revisions run until the grade lands.

Questions students ask about this stage

How many studies should a doctoral project evidence set contain?
There is no number, and quoting one would be inventing a rule nobody published. What a reader assesses is whether the set is sufficient to justify the decision you are about to make and whether it was assembled by a stated method. In practice, a well-run search for a specific clinical workflow question often yields somewhere between eight and twenty usable sources, with a handful carrying the argument and the rest informing delivery, adaptation or measurement. A set of four suggests the search terms were too narrow or a database was missed. A set of sixty suggests screening did not do its job and that the synthesis will read as a survey. If your yield sits at either extreme, revisit the search before you start appraising, since fixing it now costs hours and fixing it later costs the section.
Do I have to include studies that contradict my planned intervention?
Yes, and they are among the most valuable sources you will find. A search designed to find support is not a search, and a committee that locates a well-known null trial you did not mention will discount your entire evidence section rather than that one omission. Contradicting studies also make your plan better, because they usually show the conditions under which the intervention fails: a lighter dose, a different population, a shorter follow-up, a setting where the barrier was structural rather than behavioral. Reading those conditions carefully is how you design around them. Include the study, explain why the result differed, and say what your plan does in response. That sequence turns an apparent weakness into the clearest demonstration of doctoral judgment in the section.
Can I use the search my colleague or a previous student did?
You can build on published or shared work if you say so and then verify it yourself, but you cannot present someone else's search as your own account. Practically, an existing search is a starting point that has to be rerun, because databases update continuously and a search from eighteen months ago is missing everything since. Rerun the strings, record your own dates, screen against your own criteria, and note in the text that the strategy was adapted from a prior source. That is honest and efficient. What is not acceptable is a trail that describes work you did not do, since it is reproducible by definition and any reader who reruns it will see the discrepancy in the counts.
My library does not license the database everyone cites. What now?
Work with what you have and document the constraint rather than concealing it. Substantial overlap exists between the major health databases, so a careful search of the ones you can reach will find most of the important work, especially when combined with reference chasing from the studies you do retrieve and with guideline repositories that are freely accessible. Interlibrary services can usually supply individual articles even when the index is unavailable, which covers the specific papers your search identifies indirectly. Then write one clear sentence naming the database you could not search as a limitation of the review. Readers accept documented constraints routinely; what they mark down is a search presented as comprehensive when its boundaries were set by access rather than by design.

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