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Evidence-Based
AI Research

Research, statistics, and analysis on AI in education and hiring — learning science, assessment design, student success, and what actually works in recruiting.

Education Research12 min read

The State of AI in Education 2026: By the Numbers

By early 2024 a quarter of U.S. teens were already using ChatGPT for schoolwork, yet only 25% of teachers had used any AI tool for instruction. This is a field-level snapshot of where the numbers stand and where AI has, and has not, changed results.

AI AdoptionHigher EducationK-12
March 5, 2026
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Learning Science13 min read

AI Tutors vs Human Tutors: What the Research Says

Human tutoring raises achievement by about 0.79 standard deviations; the best intelligent tutoring systems reach roughly 0.76. The gap between AI and human tutors is smaller than most assume — and the most promising results come from combining the two.

Intelligent TutoringEffect SizesLearning Science
April 2, 2026
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Learning Science12 min read

Conversational AI Tutors: When They Work and When They Don't

In a study of nearly 1,000 students, an unguarded GPT-4 tutor boosted practice scores 48% but left students 17% worse once it was taken away. A guarded version of the same model avoided the harm entirely. Design decides the outcome.

Conversational AILLM TutorsGuardrails
May 14, 2026
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Assessment Design10 min read

Formative vs Summative Assessment: Designing Measurable Learning Loops

Summative assessment measures learning after the fact; formative assessment changes it in flight. The difference is not the test itself but the loop it sits inside, and the research on that loop is unusually consistent about what makes it work.

Formative AssessmentFeedbackLearning Science
March 11, 2026
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Assessment Design10 min read

Automated Grading: Accuracy, Bias, and Where AI Grading Works

Automated essay scoring can match trained human raters on some tasks and be trivially fooled on others. The useful question is not whether AI can grade, but where its agreement with humans is trustworthy and where it quietly measures the wrong thing.

Automated GradingAESFairness
April 22, 2026
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Assessment Design10 min read

Beyond Multiple Choice: Building Assessments That Measure Real Understanding

A student can select the right definition of osmosis without being able to explain it — recognition is not comprehension. Building assessments that measure understanding means designing for transfer, and AI's role is to make higher-order items cheap enough to use everywhere.

Assessment DesignBlooms TaxonomyAuthentic Assessment
May 19, 2026
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Student Success13 min read

Reducing Student Dropout: Early-Warning Signals and Interventions

Most students who leave do not fail out — they drift out, quietly, and the signals were visible weeks before the decision. The research on what predicts departure, and the early-alert programs that have moved graduation rates by whole percentage points, points to interventions that are earlier and smaller than institutions assume.

RetentionEarly AlertPredictive Analytics
March 4, 2026
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Education Economics12 min read

The True Cost of Student Attrition: Calculations, Research, and Recovery

Every student who leaves takes more than one term's tuition with them — they take the cost of recruiting a replacement, forfeited public subsidy, and, for the student, debt without the degree that was supposed to pay it off. This is what attrition costs when you actually add it up, using the published research rather than round numbers.

Attrition CostTuition RevenueStudent Debt
April 8, 2026
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Learning Analytics13 min read

Measuring Learning Outcomes: Metrics That Actually Predict Student Success

Not everything that can be counted predicts learning, and not everything that predicts learning is easy to count. The research is clear about which measures actually forecast student success — and about how many popular metrics measure activity while telling you almost nothing about whether anyone learned.

Learning AnalyticsFormative AssessmentEngagement
May 13, 2026
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EdTech Analysis11 min

What Makes an Effective LMS: Features That Actually Improve Outcomes

Nearly every institution runs a learning management system, yet studies keep finding that most of what a modern LMS can do is never switched on. The features that actually move outcomes are narrower — and more demanding — than the feature grid implies.

LMSLearning AnalyticsAssessment
March 11, 2026
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Learning Science12 min

Personalized & Adaptive Learning at Scale: What the Evidence Shows

Personalized learning is one of education's most durable promises and most contested claims. The research literature supports a real effect — but a more modest and more conditional one than the pitch usually admits.

Adaptive LearningEffect SizeMastery Learning
April 22, 2026
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Academic Integrity13 min

AI in Higher Education: Governance, Academic Integrity, and the EU AI Act

Educational AI now sits in the EU AI Act's high-risk category, with core obligations landing on 2 August 2026. At the same time, generative AI has made academic-integrity enforcement harder and AI-detection tools less trustworthy than their scores suggest.

EU AI ActAcademic IntegrityGovernance
May 27, 2026
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Industry Research12 min read

The Hiring Crisis: By The Numbers

60% of candidates abandon applications. 1 in 5 job postings are ghost jobs. Both sides are losing. Here's what the data says — and what actually fixes it.

ATSCandidate ExperienceAI Screening
February 1, 2026
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Industry Research8 min read

The 6 Core Hiring Challenges Every Organization Faces

80+ hours per hire, 37% of organizations facing talent constraints, and 60% candidate drop-off. Research reveals the six systemic challenges undermining talent acquisition — and what actually works.

Hiring ChallengesTalent AcquisitionHigh-Volume Hiring
January 28, 2026
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Technology Analysis10 min read

The Hiring Technology Hype Cycle: Where AI Recruiting Really Stands

Not every AI recruiting tool delivers on its promise. We mapped 15 technologies across the Gartner-style hype cycle to show what's real, what's overhyped, and what's quietly becoming essential.

AI RecruitingHype CycleTechnology Adoption
January 25, 2026
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Industry Research9 min read

High-Volume Hiring by Industry: Turnover, Challenges & Scale

Contact centers face 80% annual turnover. Logistics operations staff 24/7 hubs with 75% churn. Six industries where hiring speed and quality are existential challenges — and what sets them apart.

High-Volume HiringTurnoverRetail
January 22, 2026
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Buyer Research9 min read

What Enterprise Buyers Actually Want in a Hiring Platform

What capabilities do enterprise buyers prioritize when evaluating high-volume hiring platforms? We break down 16 features across four categories — plus how to make the business case to every stakeholder in the room.

EnterpriseFeaturesBuyer Messaging
January 19, 2026
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Implementation Guide8 min read

Avoiding Hiring Tech Implementation Failures

Gartner research identifies four implementation risks that cause hiring platform projects to underperform. Plus: how 14 vendors position across the TA landscape — from leaders to high-volume specialists.

Vendor LandscapeImplementationATS
January 16, 2026
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Operations Playbook11 min read

How to Reduce Time-to-Hire: A 30-Day Operational Playbook

The average time-to-fill has climbed to 44 days. We mapped the four bottlenecks that account for 80% of the delay — and a four-week schedule of fixes any recruiting team can implement.

Time to HireRecruiting OperationsHiring Funnel
May 15, 2026
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Compliance & Legal13 min read

AI Hiring Compliance: NYC Local Law 144, the EU AI Act, and What's Coming Next

EU AI Act enforcement on high-risk hiring systems began in 2026. NYC's bias audit requirement is now four years old. Illinois, Colorado, and California have followed. A practical compliance map for any AI in your hiring stack.

AI ComplianceLocal Law 144EU AI Act
May 8, 2026
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Benchmarks9 min read

Cost-Per-Hire Benchmarks 2026: By Industry, Role, and Company Size

Average cost-per-hire reached $4,700 in 2025, but the spread is enormous: $1,400 for hourly roles, $28,000+ for executive search. We map the benchmarks and the five drivers that determine where you land.

Cost Per HireRecruiting SpendHiring Benchmarks
April 28, 2026
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Hiring Strategy8 min read

Skills-Based vs Degree-Based Hiring: What the Data Actually Shows

When companies actually drop degree requirements, hiring pool expands by 67%, retention improves, and pay parity widens. So why has adoption stalled? The data on what works — and where it doesn't.

Skills-Based HiringSTARsWorkforce Strategy
April 15, 2026
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Recruiting Operations10 min read

12 Candidate Experience Metrics That Predict Quality of Hire

Most recruiting teams measure 3–4 candidate experience metrics. The teams getting the best results measure 12 — and they cluster the data by stage. Here's the full list, with research on what each one actually predicts.

Candidate ExperienceQuality of HireNPS
April 2, 2026
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Technology Analysis9 min read

Resume Screening at Scale: From Keyword Match to Contextual AI

Keyword matching misses qualified candidates 31% of the time. Boolean filters do worse. We compare four generations of resume screening and show why context-aware AI changes the math for high-volume hiring.

Resume ScreeningAI HiringATS
March 18, 2026
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Hiring Strategy10 min read

Structured Interviews: The Single Highest-Validity Hiring Practice

Schmidt & Hunter's 100-year meta-analysis ranked selection methods by predictive validity. Structured interviews placed near the top. Unstructured interviews placed near the bottom. The gap is enormous — and most companies use the wrong one.

Structured InterviewsSelection ValidityHiring Quality
May 19, 2026
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Recruiting Operations8 min read

How to Write a Job Description That Attracts Qualified Candidates

Job descriptions are the first impression of any role — and most of them are bad. We map the eight elements that increase qualified application rates, and the common patterns that drive them down.

Job DescriptionsRecruitment MarketingApplicant Quality
May 12, 2026
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DEI & Compliance11 min read

Reducing Bias in Hiring: 8 Evidence-Based Interventions

Meta-analyses show unconscious bias training has near-zero impact on hiring outcomes. Eight other interventions have measurable, repeatable effects. We rank them by evidence strength.

Bias ReductionDEIFair Hiring
May 5, 2026
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Hiring Economics9 min read

The Hidden Cost of a Bad Hire: Calculations, Research, and Recovery

DOL estimates a bad hire costs 30% of first-year salary. SHRM and Robert Half estimate 50–250% depending on role level. We model the full cost stack — and the four factors that determine where on the range you land.

Cost of Bad HireQuality of HireHiring ROI
April 26, 2026
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Technology Analysis10 min read

AI Conversational Interviews: When They Work, When They Don't

AI conversational interviews are everywhere in 2026 — and not all of them work. We map the four scenarios where they outperform human interviewers, the three where they shouldn't be used, and what design choices separate the categories.

AI InterviewsConversational AICandidate Assessment
April 20, 2026
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Onboarding9 min read

Onboarding Velocity: Why First-30-Day Experience Predicts 12-Month Retention

Strong onboarding processes increase new-hire retention by 82% and productivity by 70%. We map the milestones, the metrics, and the failure modes most companies don't catch until exit interviews.

OnboardingRetentionTime to Productivity
April 10, 2026
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DEI & Compliance9 min read

Diversity Hiring Metrics That Actually Drive Outcomes

Most diversity metrics measure outputs — workforce composition, pipeline percentages. The metrics that actually predict change are leading indicators: slate composition, offer balance, pass-through rates. Here's the full set.

Diversity MetricsDEI KPIsInclusion
April 4, 2026
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Hiring Strategy8 min read

Internal Mobility: The Cheapest Hiring Strategy Most Companies Underuse

Companies have a built-in talent pool they barely use. Internal hires perform better on every measurable dimension yet account for less than a third of senior placements. Five reasons why — and how to fix each.

Internal MobilityTalent ManagementCareer Development
March 25, 2026
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Interview Design8 min read

Behavioral vs Technical Interviews: When to Use Each and Why

Behavioral interviews predict performance for relationship-driven roles. Technical interviews predict performance for skill-driven roles. Most companies blur the two and lose signal on both. Here's the cleaner approach.

Behavioral InterviewTechnical InterviewCompetency Assessment
March 20, 2026
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Compliance & Legal9 min read

Background Checks: Compliance, Accuracy, and the FCRA Trap

Background check class actions have produced over $325M in settlements in the past five years. The mistakes are almost always procedural — not substantive. A practical map of the FCRA process, ban-the-box laws, and accuracy pitfalls.

Background ChecksFCRACompliance
March 12, 2026
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Sourcing8 min read

Employee Referrals: Why They Outperform — and Their Diversity Problem

Referral hires have higher retention, lower cost-per-hire, and faster ramp than any other channel. They also tend to replicate the demographics of the existing workforce. We map both effects and the practices that preserve the upside.

Employee ReferralsSourcingDEI
March 5, 2026
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Workforce Trends8 min read

Remote, Hybrid, On-Site in 2026: Candidate Preferences and Hiring Implications

Remote-only candidate preferences peaked in 2022 and have moderated. Hybrid (2–3 days) is now the strongly preferred model across 70% of professional roles. We map the data, the regional variance, and the hiring implications.

Remote WorkHybrid WorkWorkforce Strategy
February 25, 2026
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Last updated: 21/1/2026