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Statistics

People are the experience.

48 verified figures on how institutions are seen, and how their people learn, stay and grow.

30 original sources Every figure checked against its source Updated

57.0%

Of 244 narrative online hospital reviews, only this share mentioned any domain the national HCAHPS survey asks about.

BMJ Quality & Safety, 2016
8%

Organisations that consistently capture knowledge from departing retirees, in a global survey of 1,000 organisations.

APQC, 2025
> 1 in 3

Feedback interventions that decreased performance, in a meta-analysis of 607 effect sizes. The average effect was positive (d = 0.41).

Psychological Bulletin, 1996
Why these numbers

An image is built from inside.

People are the heart of every experience. A visitor remembers the person at the desk, the wait, the answer. So the evidence on reputation and the evidence on staff belong on one page. Software can organise this evidence. People decide what to do with it.

01 · Experience and online reviews · 14

What people say in public.

Reviews are not a survey. They are written by the people who chose to write. Read together, they show what surveys miss.

#
25%

Of 3,796 US hospitals that reported national patient-survey (HCAHPS) scores, 962 had ratings on Yelp at all.

BMJ Quality & Safety 2013

#
0.49

Correlation between the share of high Yelp ratings and high HCAHPS ratings, among hospitals with more than five Yelp ratings.

BMJ Quality & Safety 2013

#
0.31–0.49

Range of correlations between 9,997 online ratings of 146 English NHS hospital trusts (2009/2010) and the national paper survey of patients.

BMJ Quality & Safety 2012

#
12

Domains of experience found in 16,862 Yelp reviews of 1,352 US hospitals that the national HCAHPS survey does not reflect, such as cost, billing and staff compassion.

Health Affairs 2016

#
31% · 33%

Share of those hospital reviews giving one star, and five stars. Reviews cluster at the extremes.

Health Affairs 2016

#
57.0%

Of 244 narrative online hospital reviews, only this share mentioned any domain the national HCAHPS survey asks about.

BMJ Quality & Safety 2016

#
38.1%

Share of those reviews written by friends or family members, not by patients. Patient surveys do not hear this voice.

BMJ Quality & Safety 2016

#
16 of 17

US academic medical centres on the 2002 honour roll that advertised to attract patients. Emotional appeal was the most common approach in 122 ads.

Dartmouth Medical School 2005

#
82%

US adults who at least sometimes read online ratings or reviews before buying something for the first time; 40% always or almost always do.

Pew Research Center 2016

#
51%

Review readers who say reviews generally give an accurate picture of true quality. 48% say it is often hard to tell if they are truthful.

Pew Research Center 2016

#
79% → 42%

US consumers who trust online reviews as much as personal recommendations: 79% in 2020, 42% in 2025 (survey of 1,026 consumers).

BrightLocal 2025

02 · Service waiting · 4

The wait people feel.

Minutes on a clock and minutes in a chair are not the same. Information and courtesy change how long a wait feels.

#
1,631

Emergency patients surveyed. Actual waiting time did not predict overall satisfaction; waits perceived as shorter than expected, information and staff courtesy did.

Annals of Emergency Medicine 1996

#
5,030

Primary care patients rating their physicians. Longer waits went with lower satisfaction, but time spent with the physician was the stronger predictor.

BMC Health Services Research 2007

#
15.5 vs 27.03 min

Mean actual emergency waiting time with a queue management system, against a control group, in a trial of 236 patients. Satisfaction was significantly higher with the system.

Archives of Academic Emergency Medicine 2021

03 · Turnover and onboarding · 8

The first year decides a lot.

New colleagues decide early whether to stay. Structured programmes help, but not every programme works.

#
About 20%

Organisations that formally address all four building blocks of onboarding: compliance, clarification, culture and connection.

SHRM Foundation 2010

#
0.5×–2×

Cost of replacing one employee, as a multiple of annual salary. Gallup calls it a conservative estimate.

Gallup 2019

#
52%

Employees who left voluntarily and say their manager or organisation could have done something to keep them.

Gallup 2019

04 · Coaching and feedback · 9

Feedback helps. Not always.

Coaching changes practice. Feedback can lift or lower performance. Leaders on the floor help when they act on what they hear.

#
> 1 in 3

Feedback interventions that decreased performance, in a meta-analysis of 607 effect sizes. The average effect was positive (d = 0.41).

Psychological Bulletin 1996

#
0.79

Average effect size of feedback on learning across 12 meta-analyses, 196 studies and 6,972 effect sizes; about twice the average educational effect.

Review of Educational Research 2007

#
0.18 SD

Pooled effect of the same coaching on student achievement. Larger programmes showed only a fraction of the effects of small ones.

Review of Educational Research 2018

#
26% vs 48%

Share of the variance in skill group explained by practice in a replication with 39 violinists, against 48% in the original 1993 study.

Royal Society Open Science 2019

#
15–27%

Higher safety culture scores in work settings with the most leadership WalkRounds with feedback, against the fewest; 829 settings, 16,797 responses.

BMJ Quality & Safety 2018

#
24.3%

Respondents in that study who had taken part in a WalkRound and heard back about the actions taken.

BMJ Quality & Safety 2018

#
23 units

Clinical units randomised to executive walk rounds or not. Unit safety climate did not differ significantly; nurses who attended a round scored higher.

BMC Health Services Research 2005

#
56 areas

Work areas in 20 hospitals in an 18-month management-by-walking-around programme. Taking part went with lower nurse ratings of performance when problems were not fixed.

FierceHealthcare 2015

05 · Knowledge loss and lessons learned · 7

What leaves with people.

Few organisations capture what experienced people know. Even well-funded lessons systems are rarely used when the next decision comes.

#
8%

Organisations that consistently capture knowledge from departing retirees, in a global survey of 1,000 organisations.

APQC 2025

#
16%

Organisations in the same survey that do not try to capture that knowledge at all.

APQC 2025

#
58%

NASA programme and project managers who said current systems did not let them retrieve the right lessons at the right time (115 respondents).

U.S. General Accounting Office 2001

#
16 of 28

NASA project managers, surveyed a decade later, who said they used the lessons system during their projects. Twelve did not use it at all.

NASA Office of Inspector General 2012

06 · Employee monitoring · 6

Watching is not growing.

Monitoring is common. The evidence links it to stress, not to better work.

#
94 samples

Independent samples (23,461 people) in a meta-analysis that found no evidence electronic monitoring improves performance, and found it linked to higher stress.

Personnel Psychology 2023

How we verify

Every figure, traced.

  1. 1

    Open the original

    We read the study, report or survey page itself. When only a copy is open, we use the author’s manuscript or a reputable page that names the original.

  2. 2

    Copy, never round

    The figure appears as published. Where the source says “about”, so do we.

  3. 3

    Keep the context

    Each figure carries its sample, place and year. A 2001 survey of NASA managers is not a 2025 survey of hospitals.

  4. 4

    Drop what cannot be traced

    Popular figures that circulate without a findable original are left out, however often they are quoted.

  5. 5

    Date the page

    We re-check the sources each time we update the page, and change the date above.

Read the figures with care. Most samples come from the United States and the United Kingdom; published figures for Lebanon and the Arab region are still scarce. A correlation is not a cause. Hover a source to see the full citation.

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Last updated

Citation

Roadyom. (3 November 2026). Institutional experience statistics. https://roadyom.com/en/statistics

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