B Evidence Grade B Graded accuracy verified by the review judge Safe to Cite Current

19%

19% -- sales performance improvement rate for core performer sales reps (middle 60%) (2026)

Name: Sales Performance Improvement Rate Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-25

2026 · Unknown (likely Harvard Business Review sales coaching research)

For core performers (middle 60% of sales reps), best-quality coaching can improve sales performance by up to 19%.

Improvement is 'up to 19%' with best-quality coaching

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Attribution: Unknown (likely Harvard Business Review sales coaching research) View source

Lighthouse Research Team

Last verified: 2026-09-25 · How we verify data →

Source verified Evidence graded

Value

19%

Unit

Percentage

Data Vintage

2026

Entity

core performer sales reps (middle 60%)

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Unknown (likely Harvard Business Review sales coaching research) Primary Tier C

http://scoremoresales.com/coaching/ ↗

Confidence: 48/100 Vintage: 2026 Channel: Common Crawl

Source Article

Coaching

Original Research

Unknown (likely Harvard Business Review sales coaching research) · Original study ↗

Methodology

Research cited via asterisk footnote; original source not named on page

Methodology documented

Segmentation

IndustryB2B Company SizeMid-market RoleAll marketers

Cite this stat

Plain Text

core performer sales reps (middle 60%): 19% sales performance improvement rate. Source: Unknown (likely Harvard Business Review sales coaching research) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/best-quality-coaching-improves-performance-19-percent

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<blockquote cite="https://lighthousedata.io/data/best-quality-coaching-improves-performance-19-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>19%</strong> -- sales performance improvement rate for core performer sales reps (middle 60%)<br><small>Source: Unknown (likely Harvard Business Review sales coaching research) (2026) · <a href="https://lighthousedata.io/data/best-quality-coaching-improves-performance-19-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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