THE 2026 EMPLOYER GUIDE Pre-Employment Testing in the AI Era A complete guide for small and mid-sized businesses: test types, AI-resistant design, Integrity Scores, fairness and how to choose the right tool. AI-era hiring needs AI-proof tests. Cognitive, skills and language tests Ranked results in minutes No annual contract hirevalid.com Hire people who can really do the job. Edition: October 2026 Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 2 ABOUT THIS GUIDE Who This Guide Is For This guide is for owners, founders, HR generalists and hiring managers at businesses with 5 to 500 employees. You hire a few times a year. You get more applicants than you can interview. And you are no longer sure an application shows what a candidate can really do. It explains which tests work, how AI has changed hiring, and how to run a testing process that is fast, fair and hard to game. No HR background is needed. Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 About This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Key Takeaways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1. What Is Pre-Employment Testing? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2. Why Hiring Changed in the AI Era . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 3. Does Pre-Employment Testing Work? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 4. Types of Pre-Employment Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 5. Which Tests Resist AI Assistance? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 6. Matching Tests to the Role . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 7. How to Run a Testing Process, Step by Step . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 8. Detecting AI Assistance and Impersonation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 9. What Is an Integrity Score? . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 10. How to Read Test Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 11. Candidate Experience and Accessibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 12. Fairness and the Law . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 13. How to Choose a Pre-Employment Testing Tool . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Common Mistakes to Avoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Frequently Asked Questions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Glossary and Sources Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 3 SUMMARY Key Takeaways Short on time? These six points cover what most employers need to know about pre-employment testing in 2026. TAKEAWAY 1. CVs no longer prove ability AI can write a polished CV, cover letter and take-home task in seconds. You need evidence of skill gathered under controlled conditions. TAKEAWAY 2. Tests work, but not alone Research shows job knowledge and cognitive ability tests predict job performance. Combined with a structured interview, they give the clearest picture. TAKEAWAY 3. Format decides AI resistance Timed, randomized and visual tests are hard to hand to a chatbot. Untimed written tasks are easy to outsource. TAKEAWAY 4. Signals, not verdicts Integrity checks should show evidence for a person to review. A tool should never reject a candidate automatically. TAKEAWAY 5. Fairness is your job too Use tests that match the job, offer accommodations, explain monitoring and check pass rates across groups. TAKEAWAY 6. Pay for how you hire If you hire in bursts, a monthly plan you can pause usually costs less than a year-long contract you rarely use. QUICK ANSWER What is pre-employment testing? Pre-employment testing means asking job candidates to complete standardized tests before a hiring decision. The tests measure skills and abilities the job needs, such as reasoning, language, customer judgment or software skills. Every candidate takes comparable tests under the same rules, so results can be compared fairly. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 4 CHAPTER 1 What Is Pre-Employment Testing? Pre-employment testing gives every candidate the same job-relevant tasks, under the same rules, and turns the results into scores you can compare. A pre-employment test is a short, standardized assessment taken before a hiring decision. It can measure thinking skills, practical skills, language level or how someone would handle common situations at work. Most tests take 5 to 15 minutes. Employers usually combine 3 to 5 tests into one assessment for a role. Testing usually happens after an application and before the interview. It replaces guesswork at the screening stage. Instead of judging 40 CVs on how they read, you see how 40 people actually perform. Where testing fits in a hiring process Hiring step What it tells you Main weakness CV and cover letter Experience and interest in the role Easy to polish or fully write with AI Phone screen Communication, motivation, basic fit Time-consuming and inconsistent Pre-employment test Measured skills and abilities, compared with others Must be job-relevant and well protected Structured interview Experience, behavior and judgment in depth Only practical for a short list References Past behavior from people who worked with them Often generic, hard to verify Who uses pre-employment tests Large companies have used testing for decades. Today it is common in small businesses too, because online tools make it quick and affordable. Typical users include agencies, e-commerce brands, start-ups, professional services firms, logistics companies and remote teams. The roles tested most often are customer support, sales, office and admin roles, operations, marketing, bookkeeping, junior developers, data roles and virtual assistants. KEY POINT Testing does not replace your judgment. It gives you better evidence earlier, so you spend interview time only on candidates who have shown they can do the work. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 5 CHAPTER 2 Why Hiring Changed in the AI Era AI tools can now help a candidate at almost every stage of hiring. That makes many traditional signals unreliable. A few years ago, a well-written cover letter suggested good writing skills. A strong take-home task suggested real ability. Today, generative AI can produce both in seconds. Some tools can even suggest answers on screen during a live online test or video interview. This does not mean every candidate uses AI dishonestly. Many use it openly and well, and that can be a useful skill. The problem is different. You can no longer tell from the output alone what the person can do without help. What AI can do at each hiring stage Hiring stage How AI can help a candidate What it means for you Application Writes a tailored CV and cover letter matched to the job ad Applications look strong but say little about ability Take-home task Drafts code, copy, analysis or a presentation Untimed tasks show what AI can do, not the candidate Online test Answers questions copied or photographed into a chatbot Unprotected tests can be passed without the skill Video interview Suggests answers in real time through on-screen tools Fluent answers may not reflect real knowledge Identity Someone else takes the test for the candidate The person you hire may not be the one you tested The cost of getting it wrong For a small business, one wrong hire is expensive. You lose the salary paid, the time spent training and the work that did not get done. You also restart the search. Larger firms can absorb this. A 20-person company feels it immediately. WATCH OUT Do not respond by banning everything or treating every candidate as a suspect. That damages your employer brand. Instead, test in a format where unaided ability shows clearly, and review any warning signs with a person. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 6 CHAPTER 3 Does Pre-Employment Testing Work? Yes. Decades of research show that well-chosen tests predict job performance better than most informal methods. Researchers measure how well a hiring method works with a number called validity . It is a correlation between the method's results and later job performance. It runs from 0 (no link) to 1 (a perfect link). In hiring research, values around .30 to .40 are considered strong. The best-known summary of this research was published by Schmidt and Hunter in 1998. In 2022, Sackett and colleagues re-examined the same evidence and corrected a statistical method that had inflated earlier figures. Their estimates are lower, but the main message holds. .31 .41 .51 .48 .51 .19 .31 .31 .40 .42 Conscientiousness (personality) Integrity test Cognitive ability test Job knowledge test Structured interview 0.0 0.1 0.2 0.3 0.4 0.5 1998 estimate (Schmidt and Hunter) 2022 estimate (Sackett et al.) Validity (correlation with job performance) Figure 1. Validity of selected hiring methods. Sources: Schmidt and Hunter (1998), Psychological Bulletin; Sackett, Zhang, Berry and Lievens (2022), Journal of Applied Psychology. What this means in practice • Structured interviews came out on top in the 2022 review. That means the same job-related questions for every candidate, scored against set criteria. • Job knowledge and cognitive ability tests remain among the strongest predictors. They are also far quicker to run at scale than interviews. • No single method is enough. Each one sees a different side of the candidate. KEY POINT Use tests to build your short list. Then use a structured interview to go deeper. Together they give you a fuller and fairer picture than either method alone. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 7 CHAPTER 4 Types of Pre-Employment Tests Most hiring needs can be covered by six or seven test types. The right mix depends on the role. Test type What it measures Best for Typical length Cognitive ability Reasoning, problem solving and learning speed (numerical, verbal, abstract) Almost any role, especially fast-learning roles 10-15 min Job knowledge and skills Specific skills such as Excel, SQL, JavaScript or digital marketing Roles needing a known skill from day one 10-15 min Language proficiency Reading, grammar and vocabulary, often given as a CEFR-aligned level estimate Customer-facing and remote roles 10-15 min Situational judgment (SJT) How someone would handle realistic work scenarios Customer service, sales, team leads 10-15 min Behavioral and EQ Workplace behavior, emotional awareness, preferences Team and client-facing roles 10 min Practical tasks Typing speed and accuracy, attention to detail Admin, data entry, support 5-10 min Work samples A small piece of the real job, done under set conditions Writing, analysis and technical roles 15-30 min Cognitive ability vs skills tests A cognitive ability test measures how well someone thinks and learns. It predicts how quickly a new hire will pick up the job. A skills test measures what someone can already do today, such as building a spreadsheet formula. Most roles benefit from one of each. A note on personality questionnaires Personality tools can start useful interview conversations. But they predict performance less well than ability and skills tests. Candidates can also present an ideal profile, with or without AI help. Use them as a conversation starter, not a filter. TIP Keep the full assessment under 45 minutes. Three to five short tests give you most of the insight. Longer assessments lose good candidates who have other offers. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 8 CHAPTER 5 Which Tests Resist AI Assistance? The format of a test matters as much as its content. Some formats are easy to hand to a chatbot. Others are not. AI resistance depends on three things. The first is time: how long the candidate has per question. The second is format: text questions are easier to copy than visual or interactive tasks. The third is exposure: whether the same questions appear for everyone and can be shared online. Test format How AI could help Resistance when well designed Timed visual and abstract reasoning Photo or screenshot sent to a chatbot High Typing speed and accuracy Very little, and pasting can be blocked High Timed numerical reasoning Numbers typed into a chatbot or calculator Medium Knowledge questions (Excel, SQL, marketing) Question copied into a search or chatbot Medium Situational judgment Chatbot suggests the most likely ideal answer Medium Short, timed written answers AI-written text pasted in Medium Untimed take-home tasks AI completes most of the task Low Personality questionnaires Chatbot suggests the ideal profile Low Ratings are HireValid's general guidance, not research findings. Real resistance depends on how each test is built and delivered. Design features that make tests harder to game • Per-question time limits set so that copying a question into a chatbot and reading back the answer is impractical. • Large randomized question pools , so each candidate sees a different set and order. • Visual and interactive tasks such as patterns, ordering and spreadsheet cells. • Short "explain your answer" prompts with tight timers. DO THIS Choose tests that are timed, drawn from large pools and include visual or interactive items. Avoid relying on untimed take-home tasks as your main filter. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 9 CHAPTER 6 Matching Tests to the Role Every test should link to something the job really needs. That makes results more useful and your process fairer. Start with the job, not the test library. List the four or five things that separate a great hire from an average one. Then pick one test for each. If you cannot explain why a test matters for the role, leave it out. Role Suggested tests Customer Support Agent Customer service SJT, English proficiency, attention to detail, typing Sales Development Rep Sales aptitude SJT, verbal reasoning, emotional intelligence, English proficiency Office Administrator General cognitive ability, attention to detail, Excel basics, time management Marketing Coordinator Digital marketing fundamentals, verbal reasoning, business writing Junior Data Analyst Numerical reasoning, SQL fundamentals, Excel intermediate Junior Developer General cognitive ability, JavaScript or Python fundamentals, problem solving Virtual Assistant General cognitive ability, English proficiency, Google Workspace, time management General hire (any role) General cognitive ability, emotional intelligence, English proficiency Three rules for a good assessment • Relevant: every test maps to a real part of the job. • Short: 3 to 5 tests and under 45 minutes in total. • Right device: tests needing a spreadsheet, typing or code should require a desktop. Reasoning, language and judgment tests can work on mobile. TIP Write down why you chose each test. This short note helps you explain your process to candidates and supports you if your process is ever questioned. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 10 CHAPTER 7 How to Run a Testing Process, Step by Step A good testing process takes less than an hour to set up and saves many hours of screening. 1 Define the role 2 Pick 3-5 tests 3 Set integrity options 4 Invite candidates 5 Review ranked results 6 Interview the top few 7 Decide and give feedback Figure 2. A seven-step pre-employment testing process. 1. Define the role. List the skills that matter most. Decide what "good" looks like in the first 90 days. 2. Pick 3 to 5 tests. Match each test to a skill on your list. Use a ready-made role bundle to save time. 3. Set integrity options. Choose timing, full-screen mode and webcam checks. Tell candidates clearly what is used. 4. Invite candidates. Send one link to all applicants, or invite a screened group. Set a deadline of 3 to 5 days. 5. Review ranked results. Look at scores, percentiles and Integrity Scores together. Read the evidence behind any flag. 6. Interview the top few. Use a structured interview. Ask about any integrity signals in a neutral way. 7. Decide and give feedback. Make the decision yourself. Thank every candidate and close the loop. 40 applied for the role 34 started the assessment 30 completed it 8 scored in the top band with high integrity 3 invited to a structured interview Figure 3. Illustrative example of how testing narrows 40 applicants to a short list. Numbers are for illustration only. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 11 CHAPTER 8 Detecting AI Assistance and Impersonation Good integrity checks do two jobs. They make outside help harder, and they make it visible when it happens. Prevention: make help hard Detection: make help visible Randomized questions and answer order for every candidate Tab switches, window changes and leaving full screen, with timings Time limits on each question Paste events and text that appears without typing Visual, interactive and audio items Answers faster than a person could read the question Copy and paste disabled on test content Webcam snapshots checked for no face or more than one face Single-use, expiring invite links The same device or network used by several candidates Questions loaded one at a time from the server Unusually similar answers across candidates What detection cannot do No browser-based test can see everything. Some tools run outside the browser and cannot be detected reliably. AI-text detectors are also unreliable on their own. Treat any vendor claim of "100% cheat-proof" with caution. The honest goal is to make outside help hard, and to surface clear evidence when something looks wrong. Signals, not verdicts A tab switch might be a lookup. It might also be a notification or a child asking a question. That is why integrity data should be shown as evidence for a person to review. It should never trigger an automatic rejection. WATCH OUT Never reject a candidate on an integrity signal alone. Review the evidence, ask the candidate about it, or invite them to a short supervised retest. This protects good candidates and protects you. LEGAL NOTE Webcam images and face checks can count as biometric data. Laws such as the Illinois Biometric Information Privacy Act (BIPA) and the GDPR set strict rules on consent, retention and use. Get explicit consent first, keep images for the shortest reasonable time, and make sure assessments can run with face features turned off. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 12 CHAPTER 9 What Is an Integrity Score? An Integrity Score turns many small signals into one clear number, with the evidence behind it. DEFINITION Integrity Score, defined An Integrity Score is a 0 to 100 score that shows how trustworthy a candidate's test attempt looks. Higher is more trustworthy. Each score comes with a band and a timeline of the events behind it, so a person can review the evidence and decide. Serious concerns Review suggested High confidence 0 50 80 100 Candidate A: 92 Candidate D: 58 Candidate F: 31 Integrity Score (0-100, higher means more trustworthy) Figure 4. Integrity Score bands. Thresholds shown are illustrative. Example: the evidence behind a score of 58 Time Event What it might mean 00:00 Assessment started in full-screen mode Normal start 04:12 Left the test tab for 38 seconds Could be a lookup or a notification 06:40 412 characters pasted into a written answer Text was not typed in the test 06:52 Next answer given 3 seconds after the question appeared Faster than typical reading time 09:05 Webcam snapshot: second face detected Someone else may have been present How to use the score • High confidence: judge the candidate on their results. • Review suggested: read the evidence, then ask about it neutrally or offer a supervised retest. • Serious concerns: look closely, and give the candidate a chance to explain. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 13 CHAPTER 10 How to Read Test Results A raw score tells you how many questions someone got right. A percentile tells you how good that really is. Result type What it means Example Raw score Share of questions answered correctly 28 of 40 correct (70%) Scaled score Raw score converted to a common 0-100 scale, so different tests can be compared 74 out of 100 Percentile Share of a benchmark group who scored lower than the candidate 80th percentile Candidate: 80th percentile 80% of the benchmark group scored lower Lower scores Average Higher scores Figure 5. A percentile compares a candidate with a benchmark group. Always check which group is used and how large it is. Illustrative results for one role Candidate Overall score Percentile Integrity Score Suggested next step Candidate A 88 91st 92 High confidence Interview Candidate B 84 86th 88 High confidence Interview Candidate C 79 78th 95 High confidence Interview Candidate D 90 94th 58 Review suggested Review evidence first Candidate F 86 89th 31 Serious concerns Review closely KEY POINT Read scores and Integrity Scores together. Candidate D has the top score, but the evidence needs a look before you rely on it. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 14 CHAPTER 11 Candidate Experience and Accessibility Candidates judge your company by how you test them. A respectful process attracts better people. Many applicants are anxious. Some have other offers. Some use a phone or a slow connection. A long, confusing or hidden-monitoring test makes good candidates drop out and talk about it. What candidates should know before they start • Which tests they will take and the total time. • What is monitored, such as webcam snapshots or tab switches, and why. • How their data is used and how long it is kept. • Which device works best, and how to ask for an adjustment. Accommodations Some candidates need adjustments to show their real ability. In the US, the Americans with Disabilities Act (ADA) requires reasonable accommodations. In the UK, the Equality Act 2010 requires reasonable adjustments. Need Common adjustment Slower reading or processing Extra time, such as +25%, +50% or +100% Visual impairment Screen reader support, larger text, good contrast Motor difficulties Full keyboard navigation, extra time on typing tasks Cannot use a webcam An alternative arrangement agreed with the employer DO THIS Add practice questions before each test. Show a calm timer. Autosave answers and let candidates resume after a dropped connection. Ask for a quick rating at the end and read it. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 15 CHAPTER 12 Fairness and the Law Pre-employment tests are legal in the US, UK and Canada when they are job-related and used fairly. The rules below are a starting point, not legal advice. Region Key rules to know What it means for testing United States Title VII of the Civil Rights Act; EEOC Uniform Guidelines on Employee Selection Procedures (1978); ADA Tests must be job-related. Watch for adverse impact. Offer accommodations. United Kingdom Equality Act 2010; UK GDPR Avoid indirect discrimination. Make reasonable adjustments. Protect candidate data. Canada Human rights codes; PIPEDA and provincial privacy laws Job-related tests, accommodation and consent for personal data. European Union GDPR; EU AI Act AI used in recruitment is classed as high-risk. Keep a human in the loop and be transparent. The four-fifths rule, explained US guidance uses a simple check for adverse impact . Compare the pass rate of each group with the group that has the highest pass rate. If a group's rate is below four-fifths (80%) of the highest, the test may be screening out that group unfairly and needs a closer look. Group Took the test Passed Pass rate Ratio to highest Group A 60 30 50% 100% Group B 40 12 30% 60% (below 80%) Illustrative example. Group B's rate is 60% of Group A's, so this result should be reviewed. LEGAL NOTE Laws differ by country and state, and they change. This chapter is general guidance, not legal advice. Speak to an employment lawyer about your own process, especially if you hire in the EU or use webcam and face features. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 16 CHAPTER 13 How to Choose a Pre-Employment Testing Tool The best tool is the one that covers your roles, protects your results and fits how often you hire. Question to ask Why it matters Does it have tests for the roles I hire? A big library is useless if your roles are not covered. Are tests timed and drawn from large random pools? This is the base of AI resistance. Does it show integrity evidence, not just a flag? You need to see what happened to judge fairly. Does a person always make the final decision? Automatic rejection raises fairness and legal risks. Are percentiles based on named benchmark groups? You should know who candidates are compared with. Does it support accommodations and mobile where sensible? This widens your talent pool and reduces drop-off. What are the contract terms? Annual contracts can cost more than you use if you hire in bursts. Can I pause between hiring rounds? Pausing keeps your data without paying full price. How are candidate limits and extra candidates priced? Busy months should not force an expensive upgrade. Monthly or annual plans? Factor Monthly plan Annual contract Upfront commitment One month at a time Full year, often paid upfront Fits bursty hiring Yes, especially with a pause option Only if you hire all year Price per month Usually higher per month Usually lower per month Risk if needs change Low: cancel or pause Higher: locked in until renewal TIP Work out cost per hire, not cost per month. Add up what you would pay over a year and divide it by the roles you will actually fill. For occasional hirers, flexible monthly terms often win. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 17 AVOID THESE Common Mistakes Mistake Do this instead Testing for too long. Assessments over 45 to 60 minutes lose strong candidates. Using tests unrelated to the job. This weakens results and raises fairness risk. Relying on untimed take-home tasks. They often show what AI can do, not the candidate. Treating a score as the decision. Use results as one input alongside interviews and references. Rejecting on an integrity flag alone. Review the evidence and give the candidate a chance to explain. Hiding monitoring from candidates. Be clear and get consent. It builds trust and meets the law. Ignoring accommodations. Offer adjustments up front and make them easy to request. Paying for a year you will not use. Match the plan to how often you really hire. FAQ Frequently Asked Questions Are pre-employment tests legal? Yes, in the US, UK and Canada, when tests are job-related, applied consistently and offered with reasonable accommodations. Check for adverse impact and get legal advice for your own situation. How long should a pre-employment test be? Most individual tests take 5 to 15 minutes. Keep the full assessment under 45 minutes, with 3 to 5 tests. Can candidates use ChatGPT on pre-employment tests? They can try. Timed questions, randomized pools, visual items and integrity checks make AI assistance much harder and make it visible when it happens. No online test can rule it out completely. Do pre-employment tests replace interviews? No. Tests help you choose who to interview. A structured interview then explores experience and behavior in depth. What is a good score on a pre-employment test? It depends on the role and the benchmark group. Compare percentiles across your candidates rather than setting one fixed pass mark for every role. Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 18 What is the difference between a skills test and a cognitive ability test? A skills test measures what someone can do today, such as using Excel. A cognitive ability test measures how well they reason and learn new things. Can candidates take tests on a phone? Yes, for many reasoning, language and judgment tests. Tests that need typing, spreadsheets or code should be taken on a computer. How much does pre-employment testing cost? Prices vary widely. Some tools need an annual contract. Others offer free plans and monthly billing. Compare candidate limits, extra-candidate pricing and contract terms, not just the headline price. TRY HIREVALID AI-era hiring needs AI-proof tests. Built to catch AI assistance. Test candidates on real job skills and see who can actually do the work, with an Integrity Score for every candidate. Cognitive, skills and language tests · Ranked results in minutes · No annual contract. Start free at hirevalid.com Pre-Employment Testing in the AI Era | A Complete Guide for Employers hirevalid.com AI-era hiring needs AI-proof tests. 19 REFERENCE Glossary Term Meaning Assessment A package of tests sent to candidates for one role Adverse impact When a test screens out one group at a much higher rate than another Benchmark (norm) group The reference group used to calculate percentiles CEFR A European framework for language levels, from A1 to C2. Tests can give aligned estimates, not official certificates Cognitive ability test A test of reasoning, problem solving and learning speed Four-fifths rule A check that each group's pass rate is at least 80% of the highest group's rate Integrity Score A 0-100 score showing how trustworthy a test attempt looks, with evidence Percentile The share of a benchmark group that scored below the candidate Role bundle A ready-made set of tests for a common role Situational judgment test (SJT) Scenario questions about how someone would act at work Structured interview The same job-related questions for every candidate, scored against set criteria Validity How strongly a hiring method's results relate to later job performance Sources 1. Sackett, P. R., Zhang, C., Berry, C. M. and Lievens, F. (2022). Revisiting meta-analytic estimates of validity in personnel selection: Addressing systematic overcorrection for restriction of range. Journal of Applied Psychology , 107(11). 2. Schmidt, F. L. and Hunter, J. E. (1998). The validity and utility of selection methods in personnel psychology. Psychological Bulletin , 124(2). 3. Uniform Guidelines on Employee Selection Procedures (1978), 29 CFR Part 1607, United States. 4. Regulation (EU) 2024/1689 (EU Artificial Intelligence Act), Annex III. 5. Biometric Information Privacy Act, 740 ILCS 14, Illinois, United States. 6. Equality Act 2010, United Kingdom. 7. Web Content Accessibility Guidelines (WCAG) 2.1, W3C. ABOUT HIREVALID AI-era hiring needs AI-proof tests. Built to catch AI assistance. Test candidates on real job skills and see who can actually do the work, with an Integrity Score for every candidate. Choose tests or a role bundle Cognitive, skills, language and situational judgment tests. Invite candidates with one link Candidates test in the browser. No account needed. See ranked results in minutes Score, percentile and an Integrity Score with evidence. Pay monthly No annual contract. Pause between hiring rounds. Start free at hirevalid.com Monthly plans. Cancel or pause any time. This guide is general information for employers. It is not legal advice. Laws on hiring, testing, data protection and biometric data differ by country and state. Speak to a qualified employment lawyer before making decisions that depend on them. HireValid tests are not official, government-approved or accredited exams, and test results should be one input in a hiring decision, not the only one. Copyright 2026 HireValid. hirevalid.com