How to analyze employee survey open text data

Learn the step-by-step methodology for turning open-ended employee comments into themes, sentiment, and a manager action plan.

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Summary:

  • Analyzing employee open-ended survey comments involves moving from unstructured text to themes, sentiment, and prioritized action plans, using either manual thematic coding for smaller datasets or AI-assisted analysis for larger volumes.
  • AI text analysis tools automatically group comments into themes and tag sentiment as positive, negative, or neutral, helping teams efficiently surface key insights without manual reading.
  • Transitioning from insights to action requires pairing top-ranked themes with specific, manageable interventions and assigning clear owners to ensure accountability and drive improvements.

Analyzing open-ended survey comments means turning unstructured sentences into themes, sentiment, and a prioritized action list a manager can use. It is different from scoring closed questions, since there is no scale to average, just language to interpret.

Two methods exist to do this:

  1. Manual thematic coding, where a person reads and tags every comment
  2. AI-assisted analysis, where a model surfaces themes and sentiment automatically

Most teams end up using a mix of both, depending on volume and available time.

This guide covers the open-text methodology specifically. For the broader question of how AI is showing up across HR work overall, our overview of HR trends and opportunities covers that wider landscape.

Manual coding still makes sense for small datasets, sensitive topics that need a careful human read, or when you need full certainty over how a theme was defined. It is slow, but it gives you complete control over category definitions.

AI-assisted analysis is the better choice once comment volume grows past what one person can carefully read, or when you have no dedicated analyst time to spend on coding. It trades some manual control for speed and consistency across large datasets.

ConditionRecommended approach
Under ~200 comments with a clear focus areaManual coding (realistic in 1-2 days)
Several hundred to thousands of commentsAI-assisted analysis
Highly sensitive comments (harassment, safety, legal risk)Manual review (even if AI does first pass)
A broad, open-ended question like an "anything else" promptAI-assisted analysis recommended sooner due to wider range of topics

Open-text comments are one input into a bigger picture that also includes your scored questions. Before diving into comment coding, it helps to have already reviewed your closed-question results, since a theme that shows up in comments often explains a score you already saw.

Our guide on analyzing and interpreting employee engagement survey results covers that closed-question groundwork, while this page focuses specifically on the open-text half of the analysis.

Manual coding follows a consistent sequence regardless of survey size. The goal is to move from raw text to a small set of well-defined, non-overlapping themes.

  1. Read a sample of 20-30 comments first, without coding anything, to get a feel for the range of topics.
  2. Draft a short list of candidate themes based on that sample, leaving room for an "other" category.
  3. Code the full set of comments against that list, refining theme definitions as edge cases appear.
  4. Tag sentiment (positive, negative, neutral) alongside theme for each comment.
  5. Tally theme frequency and pull two or three representative quotes per theme for context.

This process is still the right choice when precision matters more than speed, such as a small executive-team survey where every comment carries weight. It becomes impractical fast once comment counts climb into the thousands.

Two habits keep manual coding honest.

  1. First, code in short sessions rather than one long marathon, since coder fatigue tends to widen or loosen theme definitions partway through a large batch.
  2. Second, have a second person spot-check a sample of coded comments against your theme definitions, since a single coder can drift from the original definitions without noticing.

You do not have to pre-define categories. Emergent, bottom-up theme discovery lets themes surface from the language people actually use, rather than forcing comments into categories chosen before you read a single response.

Bottom-up discovery matters most for open-ended, unprompted questions like "what else should we know," where a pre-set category list would miss topics you did not anticipate.

AI-assisted text analysis tools are built for exactly this case, since they can cluster similar language into themes without a human building the category list first.

AI text analysis tools group similar comments into themes using natural language processing, then generate a plain-language summary of what each theme represents. Sentiment analysis runs alongside this to classify each comment as positive, negative, or neutral.

SurveyMonkey's AI survey analysis feature set includes Thematic Analysis and Sentiment Analysis, which together let you see both what people are talking about and how they feel about it, without reading every comment individually.

  • Thematic analysis: Groups comments into themes and produces a summary of each one automatically. 
  • Sentiment analysis: Tags each comment positive, negative, or neutral so you can see mood trends across a theme.
  • Word clouds: Surface frequently used language as a quick visual gut check before you dig into full themes.

Yes. AI-assisted analysis is designed to surface the most common themes on its own, ranked by how often they appear, without a person defining categories in advance.

That is the core difference from manual coding, where the category list has to exist before tagging starts.

A human should still review the AI-generated themes for accuracy before sharing results widely, since automated grouping can occasionally merge related-but-distinct issues into one theme.

If a theme feels like it is mixing two separate issues, split it before presenting results to managers, since a muddled theme leads to a muddled action plan.

Action planning follows a simple chain: theme, then action, then owner.

  • Theme: unclear promotion criteria appears frequently with negative sentiment in the career growth question.
  • Action: publish a written promotion rubric for each level by the next quarter.
  • Owner: the department head or HR business partner responsible for that team.

AI can accelerate the first step by ranking themes by frequency and sentiment, so you know which issues affect the most people and feel the most negative.

From there, the work becomes human again. Pair each top theme with one specific action and name an owner who is accountable for it, rather than leaving broad themes like "communication" without a next step.

Yes, sentiment-based alerts can flag concerning language in open-text comments even when a closed-question score still looks acceptable.

This matters because a team can score fine on a numeric engagement scale while a handful of comments describe a serious, specific problem.

Setting up a review process for flagged comments, rather than relying only on dashboard scores, catches issues earlier than waiting for scores to drop on their own.

  1. Route flagged comments to a small, defined group (HR business partner, not the direct manager) so sensitive language reaches someone positioned to act.
  2. Set a response time expectation for flagged comments, similar to how you would treat any other employee relations concern.
  3. Review flagging criteria periodically, since language and context shift and a static rule set can miss new patterns.

Without analyst time, lean on frequency and sentiment to do the prioritization for you.

Sort AI-generated themes by how often they appear and how negative the sentiment score is, then focus action planning on the handful that rank highest on both.

Resist the urge to act on every theme at once. Three prioritized actions that actually get done build more trust than ten themes that get acknowledged and then forgotten.

If two themes tie on both frequency and sentiment, use feasibility as the tiebreaker. A theme with a clear, achievable fix in the next quarter is often a better first move than a theme that requires a multi-year structural change, even if the second theme feels more important on paper.

  • Can AI analyze open text without any setup?
  • How many comments justify switching from manual to AI analysis?
  • Should sentiment analysis replace reading any comments directly?

Going from raw comments to a manager-ready action plan does not require choosing analyst time you do not have. Combine emergent theme discovery, sentiment tagging, and a simple theme-to-action-to-owner chain to move fast without losing nuance.

See how AI reads your open-text so you don't have to and turn employee comments into themes, sentiment, and next steps with SurveyMonkey.

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