Communication training is easy to buy and hard to defend. A budget meeting asks one question: what did we get back? Most teams answer with attendance sheets and satisfaction scores. Those numbers do not show a return.
This post gives leaders a measurement framework. It uses two established evaluation models, a short list of metrics and one worked formula. The worked example is hypothetical and labelled as such.
Key takeaways – Survey-based estimates put the cost of poor communication in the billions to trillions of dollars, but those figures are estimates, not audited losses. – Training pays off only when people apply it on the job, so measure behavior, not just satisfaction. – Use four levels: reaction, learning, behavior, results. Add a fifth step, ROI, only when you can isolate the training’s effect. – Set a baseline before training starts. Without one, no ROI figure holds up. – ROI (%) equals net program benefits divided by program costs, expressed as a percentage.
What does poor communication cost businesses?
Poor communication costs businesses time, lost deals and rework. The most-cited figure is a survey-based estimate of up to $1.2 trillion in annual losses for US businesses. It is an estimate from leader and employee opinion, not an audited total.
Grammarly and The Harris Poll published that estimate in January 2022. The online survey ran October 1-28, 2021. It reached 1,001 US knowledge workers and 251 US business leaders at companies with 150 or more employees. The release states the survey is not a probability sample, so no theoretical sampling error can be calculated. Leaders in the survey estimated that teams lose 7.47 hours per week to poor communication. That equals about $12,506 per employee per year, according to the same release.
Treat these numbers as directional. Grammarly’s 2024 follow-up report repeats the $1.2 trillion figure as “an estimated” annual cost and adds that about one in four business leaders say they have lost business due to poor communication. Leaders should measure their own team’s cost instead of borrowing a national number.
Is communication training worth it for teams?
Communication training is worth it when people apply what they learn and managers reinforce it. Training that stays in the classroom returns little. Evidence shows the work environment decides whether skills transfer to the job.
A meta-analysis in the Journal of Management tested this. Blume, Ford, Baldwin and Huang (2010) reviewed 89 empirical studies (N = 12,496). They found positive relationships between transfer of training and a supportive work environment, along with motivation, cognitive ability and conscientiousness. This is a foundational study, not a recent one, but it remains a standard reference on transfer.
Manager behavior sits at the center of that environment. Gallup reports that managers account for 70% of the variance in team engagement. Gallup also cites 2023 research showing that employees who received meaningful feedback in the previous week were substantially more likely to be engaged. I advise leaders to treat the manager as the delivery channel for any communication program. A workshop that skips managers leaves the biggest lever unused.
How do you measure the ROI of communication training?
Measure ROI in four levels, then convert results to dollars. Level 1 is reaction, level 2 is learning, level 3 is behavior and level 4 is results. The Phillips method adds level 5, ROI, which compares monetary benefits to costs.
Kirkpatrick Partners defines the four levels this way. Reaction measures whether participants find the experience “favorable, engaging, relevant, and supportive.” Learning measures whether they acquire the intended knowledge, skills, attitude, confidence and commitment. Behavior measures whether they perform the critical behaviors on the job and are supported and accountable. Results measure whether targeted organizational outcomes occur.
The ROI Institute describes five levels for the Phillips approach: reaction and planned action, learning, application and implementation, business impact, and ROI. Its formulas are simple:
- Benefit-cost ratio (BCR) = program benefits / program costs
- ROI (%) = net program benefits / program costs, expressed as a percentage
Net benefits are program benefits minus program costs. The institute also requires “fully loaded” costs: needs assessment, design, delivery, facilitation, participant time and evaluation.
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Which leading indicators and behavior metrics matter?
Track relevance and confidence first, then observed behaviors, then business outcomes. Kirkpatrick Partners calls relevance the measure that best indicates whether behavior will be applied. It calls confidence and commitment early predictors of on-the-job performance.
Use three tiers.
- Leading indicators (days 0-14). Participant-rated relevance, confidence and commitment. These are cheap to collect and predict application, according to Kirkpatrick Partners.
- Behavior metrics (weeks 2-12). Count specific, observable acts. Examples: meetings that end with named owners and dates, status updates that lead with the decision needed, and feedback conversations held per manager per month. A manager checklist or a peer rating works.
- Business metrics (months 2-6). Pick one or two outcomes the training targets. Examples: hours of rework tied to unclear instructions, number of escalated misunderstandings, and engagement-survey items on clarity.
Choose metrics before the program starts, and agree on them with the leader who owns the outcome. I advise naming the target behavior first, because content aimed at a named behavior is easier to coach and easier to measure.
How long does it take to see results?
Expect leading indicators within two weeks, behavior change within one to three months and business results within three to six months. These windows are a planning recommendation, not a published benchmark. Kirkpatrick Partners advises measuring behavior soon after learning rather than waiting 90 days or more.
A practical schedule:
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Early behavior checks let you adjust the program while it still runs. If the day-30 check shows no change, fix reinforcement before spending more on content. This is also why corporate communication workshops work best when they include manager follow-up and not a single event.
How do you calculate ROI? A worked example (illustrative)
Calculate ROI by monetizing the business impact, isolating the training’s share, subtracting fully loaded costs and dividing by costs. The numbers below are hypothetical. They show the arithmetic, not a typical result.
The ROI Institute lists eight techniques for isolating the program’s effect, including control groups, trend-line analysis, forecasting and estimates. Without isolation, you credit training for improvements caused by other changes.
Illustrative scenario (hypothetical): A company trains 40 managers.
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Notice what happened. A $144,000 gross improvement shrank to a 20% ROI once the isolation step and full costs entered the math. That conservatism is the point. A credible 20% survives a finance review. An inflated 300% does not.
Common measurement mistakes
- Stopping at level 1. Satisfaction scores show the session was pleasant. They do not show a changed behavior.
- Skipping the baseline. No baseline means no before-and-after comparison.
- Ignoring managers. The Blume meta-analysis ties transfer to a supportive environment, and Gallup ties team engagement to the manager.
- Borrowing national numbers. A $1.2 trillion survey estimate says nothing about your team’s cost.
- Counting only trainer fees. Participant time is a real cost.
Frequently asked questions
What is training ROI?
Training ROI is net program benefits divided by program costs, expressed as a percentage. Net benefits equal monetized benefits minus fully loaded costs. The ROI Institute’s Phillips method defines this formula and places it at level 5 of five evaluation levels.
Can you measure communication skills with numbers?
Yes. Convert observable behaviors into counts or ratings. Examples include scored role-plays, manager checklists, meetings with assigned owners and dates, and survey items on clarity. Pair them with a business metric such as rework hours to link behavior to dollars.
Do I need a control group?
No, a control group is one option among several. The ROI Institute lists eight isolation techniques, including trend-line analysis, forecasting and estimates. A control group gives the strongest evidence. Choose the strongest technique your organization can run.
About the author. Sydney Parriott, MA, CCC-SLP, MBA, is a licensed speech-language pathologist (licensed in Kansas and Missouri) who holds the ASHA Certificate of Clinical Competence. She leads Speak Like a Professional, a communication coaching practice in Kansas City, Missouri. Her work focuses on adult workplace communication, public speaking, executive presence, voice and communication anxiety.
3. Sources
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4. Dropped claims
- PMI Pulse of the Profession “80% vs 52% of projects meet goals” (effective vs minimally effective communicators): appeared in search results, but PMI pages returned 403 and the 2013 PDF text did not contain it when extracted. It is also from 2013. Dropped.
- “$7 return per $1” and “$420K per 100 employees”: no original source found; not used (per brief).
- SHRM “behavior evaluated after six weeks” and SHRM ROI syllabus statements: seen only in search snippets; the SHRM syllabus PDF was unreadable. Dropped; no SHRM claim is in the post.
- Phillips methodology “x 100” in the ROI Institute formula: the fetched page shows the formula without it; the post says “expressed as a percentage,” which is how the percent label reads. Phillips confidence-adjustment step: unverified, omitted.
- Gallup 2015 “State of the American Manager” original wording: not opened; the current Gallup page wording is used instead.
- Any communication-specific training ROI study: none located and verified, so the post makes no claim that communication training specifically produces a given return.
5. Host-blog notes
Best fit: an HR, L&D, people-management or small-business leadership blog whose readers approve training budgets and want a defensible measurement method. A professional-development or workplace-productivity publication also fits.