A lab report is judged on precision: clean method, honest results, correct calculations and sensible error treatment. A finished example makes the expected standard concrete.
Browse the model reports below, complete with results tables and worked calculations, and use them as reference material when writing up your own practicals.
An annotated bibliography is a structured list of sources — books, journal articles, reports or websites — each given in full reference form (Harvard or APA, depending on what your module handbook specifies) and followed by a short annotation, usually 100 to 200 words. The annotation is not a citation on its own; it is a compact piece of academic writing that summarises what the source says, evaluates how credible and useful it is, and states how it relates to your research question or assignment brief. Tutors set annotated bibliographies early in a module or dissertation because the task forces close reading rather than skimming, and it produces a record you can return to months later when the argument in your literature review has to be rebuilt from scratch.
Unlike a plain reference list, every entry does three jobs at once: it proves the source has been read, it shows judgement about the source's quality, and it demonstrates why the source earns a place in the argument. Done well, an annotated bibliography becomes the raw material for a literature review or a dissertation chapter, because the evaluative thinking has already happened.
Annotated bibliographies also differ from a literature review in purpose, even though the two tasks overlap. A literature review weaves sources together into a continuous argument, grouping them by theme or debate and showing how they relate to one another. An annotated bibliography keeps each source separate, entry by entry, so the reader can judge the merits of one source at a time before any synthesis happens. Many dissertation supervisors set an annotated bibliography as a checkpoint precisely because it exposes weak or thin reading before the student commits to writing a full review around sources that will not bear the weight.
Most UK annotated bibliography briefs ask for one of two annotation styles, and mixing them up is one of the most common reasons marks are lost.
| Descriptive Annotation | Critical (Evaluative) Annotation |
|---|---|
| Summarises the source's aims, method and main findings | Does everything a descriptive annotation does, then adds judgement |
| Reports what the author argues | Assesses whether the argument is convincing and well supported |
| Rarely compares sources to one another | Positions the source against other literature on the same topic |
| Suitable for early-stage reading logs | Expected in most graded coursework and dissertation bibliographies |
If a brief simply says "annotated bibliography" with no further guidance, assume a critical annotation is expected — it is the more common requirement at undergraduate and postgraduate level, and it demonstrates a higher order of analytical skill. Check the module handbook and any assessment rubric carefully, because the two styles are marked against different criteria: a rubric that rewards "critical engagement" or "evaluation of sources" is asking for the critical style even if the word "descriptive" appears nowhere in the brief.
A reliable structure for a 150-word critical annotation runs in four moves: one sentence stating the source's purpose and scope; two or three sentences summarising the method and key findings; two or three sentences evaluating strengths, limitations or bias (sample size, methodology, date, the author's standing in the field); and a closing sentence linking the source directly to the research question or essay title. Keep the tone formal and third person, avoid quoting at length, and paraphrase throughout — an annotated bibliography built from lifted sentences reads as thin regardless of formatting. Reference each entry precisely in the citation style the department requires; Harvard and APA differ in punctuation and author-date placement, and markers do check. It also helps to order the bibliography consistently — alphabetically by author surname unless the brief asks for entries grouped by theme — and to keep annotation length even across entries, since a bibliography with one 250-word annotation next to a 60-word one reads as uneven planning rather than uneven source quality.
The examples above show finished annotated bibliographies across different subjects and citation styles, each with a full reference, a critical annotation, and a clear link back to a research question. Read two or three in a discipline close to your own to see how the annotation balances summary against evaluation, and how much detail a marker actually expects within 150 words. These samples are reference material for learning, not something to submit as your own work. When assembling a bibliography for a longer piece, our coursework writing service and dissertation support can help plan the reading list and annotation structure, and if the next task is a full evidence synthesis rather than a single-source annotation, our systematic review samples show how that same critical evaluation scales up across dozens of sources at once.
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