Check Whether an AI Adaptation Stays Faithful

To check whether an AI-generated adaptation stays faithful, compare it with the source for meaning, important details, tone, and any changes the assignment allows. You will need the original text, the adaptation, and a clear idea of the requested format or degree of change; the goal is to identify meaningful departures, not merely different wording.

What You’ll Need

• The complete source text and the complete adaptation, preferably in a format you can search or annotate.
• The prompt or brief given to the AI, including requirements such as audience, length, reading level, or format.
• A way to mark passages and record questions, such as a document editor, printed copies, or a comparison table.
• Relevant context for interpreting the source: definitions, surrounding chapters, cited facts, or notes on deliberate ambiguity.

Step-by-Step

1. Define what “faithful” means for this task. An adaptation may change wording, structure, examples, or medium while retaining the source’s central meaning. Write down what can change and what must remain. For a plain-language rewrite, preserve claims and qualifications; for a dramatization, some scenes may be invented, but the brief should say so. Do not judge against unstated expectations.
2. Check that you have the right versions. Confirm that the source is complete and that you are reviewing the final adaptation, not an earlier draft. If the source has editions or revisions, identify which one the prompt refers to. Record the adaptation’s intended audience and format so that legitimate changes, such as explaining a technical term, are not mistaken for errors.
3. Summarize the source before reading the adaptation closely. In a few sentences, note its main point, purpose, key events or steps, and conclusion. List its essential claims, characters, relationships, dates, conditions, and stated uncertainties as relevant. Doing this first reduces the risk that fluent new wording will shape your memory of what the original said.
4. Compare the central message and purpose. Read the adaptation once for its overall argument or story. Ask whether it reaches the same conclusion, presents the same conflict, and gives the same reason for the text’s existence. Note any shift in the author’s position, audience, or intended effect. A concise adaptation may omit supporting detail, but it should not quietly reverse the point.
5. Match the important details passage by passage. Split both texts into manageable sections: paragraphs, scenes, headings, or procedural steps. For each section, find the corresponding material and label it as preserved, changed, omitted, or added. Check names, dates, quantities, sequence, cause and effect, and who did or said what. For instructions, verify that steps and conditions remain in the right order.
6. Inspect claims and qualifications carefully. Look for changes from “may” to “will,” “some” to “all,” or a possibility to a certainty. Check whether exceptions, limitations, attribution, and uncertainty survive. A claim can be distorted even when its topic remains the same. Verify factual statements against the source and reliable context where needed; do not assume a plausible-sounding addition came from the original.
7. Compare tone and characterization. Consider whether the adaptation preserves the source’s level of formality, emotional stance, and treatment of its subjects. In fiction, check whether motivations, relationships, and character choices still make sense. A new style may be required, but it should not make a neutral source sarcastic or turn a nuanced character into a different person without permission.
8. Separate acceptable edits from substantive drift. Mark harmless changes, such as simpler vocabulary or a reordered explanation that keeps the same logic, separately from changes that alter meaning. For each substantive issue, note the source passage, the adaptation passage, what changed, and why it matters. This makes the review specific and easy to verify.
9. Assess the impact and decide what to do. Prioritize changes that affect the central message, factual accuracy, sequence, safety-critical instructions, or a person’s portrayal. Minor stylistic differences usually matter less. If a passage is ambiguous, consult its surrounding context or ask the requester how to interpret the brief rather than treating a guess as proof of a mismatch.
10. Request a targeted revision and recheck it. Give concrete notes: identify the relevant source and adaptation passages, state the required meaning, and explain which changes are allowed. Ask for corrections without inventing new source content. After revision, compare the corrected sections again and scan the whole adaptation for knock-on changes, contradictions, or fresh omissions.

Common Mistakes

• Judging only by shared keywords. Similar vocabulary can hide a changed conclusion, while different vocabulary can express the same idea. Compare the claims and relationships, not just matching phrases.
• Calling every omission a failure. Short formats require selection. An omission matters when it removes a necessary condition, changes emphasis, breaks the logic, or conflicts with the brief.
• Overlooking small qualifiers. Words such as “usually,” “unless,” and “according to” can carry important limits. Check them as carefully as names and numbers.
• Confusing stylistic preference with fidelity. A less elegant sentence is not automatically inaccurate. Record it as a style issue unless it changes meaning or violates the requested tone.
• Using an unreliable or incomplete source. A comparison cannot establish fidelity if the reference text is the wrong edition or missing context. Resolve that before drawing conclusions.

Tips

• Use a two-column table with source passage, adaptation passage, change type, and impact. Short quotations or section labels make findings easy to locate.
• Review the adaptation once for overall meaning and again for details. A single fast read is likely to miss changed conditions and omitted exceptions.
• Keep “not in source” separate from “incorrect.” An addition may be accurate but still unauthorized; a factual error is a different problem.
• For long texts, sample neither randomly nor only from the beginning. Cover every section, then examine high-impact passages and claims in full.
• When multiple reviewers disagree, ask them to point to the exact wording and the relevant requirement. This turns subjective reactions into checkable questions.

Troubleshooting

The source and adaptation are too long to compare at once: Divide them by headings or narrative units, then compare corresponding sections in order. Keep a running list of names, claims, and open questions so details remain consistent across sections.

You cannot tell whether a change is allowed: Return to the prompt or ask the person who requested the adaptation. Until clarified, flag the change as uncertain rather than approving or rejecting it.

The adaptation adds information that seems plausible: Check whether the brief permits new material and whether the addition is supported. Label unsupported additions clearly; do not treat confidence or smooth writing as evidence.

The adaptation is accurate but much shorter: Check whether its purpose and essential supporting points remain. If the brief requires comprehensive coverage, identify missing material; if it requests a summary, assess whether the omissions are reasonable for that length.

Reviewers reach different conclusions: Compare their evidence passage by passage, clarify the standard for fidelity, and distinguish factual disagreement from differences in style preference. Escalate unresolved source ambiguity to the requester or a subject-matter reader.

Frequently Asked Questions

Does a faithful adaptation need to use the same words?
No. It can use different wording or structure as long as it preserves the required meaning, facts, qualifications, and other constraints in the brief.

Can an adaptation add examples?
Only if the task permits additions. Check that each example is clearly presented as new material and does not imply that the source made a claim it did not make.

How do I check a very short adaptation?
Compare every sentence with the source’s central points and qualifications. Short texts can still introduce major distortions through one omitted condition or changed conclusion.

Should I use an automated text comparison tool?
It can help locate matching or changed passages, but it cannot reliably judge context, tone, implication, or whether an omission matters. Treat it as an aid, then review the text yourself.

What should I do if the source itself is unclear?
Read the surrounding context and consult an authoritative edition or relevant reference if available. Record the ambiguity and avoid claiming the adaptation is wrong when the source does not support a clear interpretation.

When is an adaptation unfaithful?
When it violates the agreed requirements in a meaningful way—for example, by changing the central point, inventing unsupported facts, reversing cause and effect, or removing a qualification needed to interpret a claim.

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