What the 2025 Occupational Assessment Guidelines Add

What did the 2025 guide add—and what kind of document is it?

The January 2025 Society of Occupational Medicine (SOM) guide, *Psychometric Assessments in Occupational Health: What They Are and How to Use Them*, is professional guidance for occupational-health practitioners and associated professionals. It explains how to commission, understand, and interpret assessments in that setting; it is not a new personality test or a study validating one. A guide can improve the questions asked about a result without supplying new evidence about that report’s scores. SOM covers several assessment domains, including personality questionnaires, health measures, cognitive functions, and work-related conditions, so its scope is broader than personality reporting alone. [Psychometric Assessments in Occupational Health](https://www.som.org.uk/sites/som.org.uk/files/Psychometric_Assessments_in_OH_January2025.pdf) Its practical addition is a connected way to scrutinize use. The guide advises clarifying purpose, choosing a tool aligned with it, considering evidence and context, minimizing bias, explaining how results will be used, protecting confidentiality, and reviewing whether the assessment achieved its aim. It cautions against placing too much weight on results alone. For a report reader, this shifts attention from “Does this description sound like me?” to answerable questions: What was the assessment meant to inform? What evidence supports this interpretation in the relevant context? What conditions shaped administration and response? What action is proposed, and how will its effects be reviewed? These are process questions, not proof that a particular report is sound. [Psychometric Assessments in Occupational Health](https://www.som.org.uk/sites/som.org.uk/files/Psychometric_Assessments_in_OH_January2025.pdf) A later *Occupational Medicine* overview, published on 31 July 2025, summarizes themes in the SOM guide, including tool selection, administration, interpretation, ethics, consent, confidentiality, and fairness. It is an overview of guidance, not independent validation evidence for an instrument. Its publication date should not blur the guide’s January 2025 date. The practical conclusion is modest: use the guide to ask whether purpose, tool, evidence, conditions, safeguards, and review fit together. Treat it as a framework for questions about a report and its commissioning, not as endorsement or a new validation finding. [Guidelines on the use of psychometric assessments in occupational health](https://academic.oup.com/occmed/article/75/8/474/8219446)

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; Guidelines on the use of psychometric assessments in occupational health

What changes when the report is read as a decision chain?

Read in order: the question being asked, the measure and score, the report’s interpretation, and the action someone wants to take. Support for one link does not automatically support the next. This decision chain is a practical synthesis of the Society of Occupational Medicine’s January 2025 guide, not a model named by the guide. It makes visible how a narrow measurement result can acquire a broader interpretation and then be used to justify an action. Each step needs its own reason.

Start with purpose. What question was the assessment chosen to answer: a prompt for personal reflection, support for a coaching conversation, an occupational-health question, or something else? The guide asks practitioners to clarify the objective, choose a tool aligned with it, and avoid placing too much emphasis on results alone. It also notes that pre-recruitment, routine medical checks, and clinical settings are different situations. If the stated purpose is vague, a reader cannot yet tell whether the measure fits, even if its score is reported clearly.

Next separate the score from the interpretation. Imagine a report says someone ‘prefers structure.’ The reader should ask which measure and score support it, and how the report moves from responses to that wording. A score may be produced consistently while an interpretation reaches beyond what the measure was designed to capture. The January 2025 guide recommends checking evidence for the tool, interpreting results carefully in context, and avoiding overgeneralization. Those are distinct checks: consistency in producing a result does not, by itself, show that every sentence attached to it is warranted.

Then examine the proposed action as a separate claim. ‘Prefers structure’ might be a useful invitation to discuss which work conditions help someone plan. It does not alone establish that the person cannot adapt, will perform poorly in changing work, or should be assigned to a particular role. Those conclusions require evidence relevant to the added claim and the decision at hand. The guide advises treating psychometrics as one piece of a wider process, using other information such as direct questions or observation where appropriate, and evaluating whether the assessment process achieved its stated aim.

For a reader, the chain becomes a compact audit: What question was asked? What score answers it? What evidence connects that score to the report’s interpretation? What additional evidence would justify the action being proposed? If the chain breaks, narrow the conclusion or ask for the missing explanation. It preserves the claim at the level the evidence supports. The guide’s recommendations connect purpose, tool fit, careful interpretation, wider information, and process review. Applied in sequence, they help distinguish a descriptive tendency from an explanation or employment decision, while leaving room for the report to serve as a focused starting point.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; Guidelines on the use of psychometric assessments in occupational health

What can a score establish by itself?

A personality score records the result produced by a particular measure, under particular instructions and conditions. It can support a statement about a tendency when the evidence justifies it. By itself, it cannot explain all of someone’s behavior, establish an unchanging identity, or predict a job outcome. The Society of Occupational Medicine’s *Psychometric Assessments in Occupational Health: What They Are and How to Use Them* (January 2025) calls measurement of human characteristics a “best estimation,” not a perfectly accurate reading. It advises treating an assessment as one source, not a final opinion. That distinction matters because a report often places a measured result beside a broader sentence. A score might be calculated from answers to questions about planning, for example; a report might then describe the respondent as someone who prefers structure. The first is a result from the instrument. The second is an interpretation of what that result means. Whether the interpretation is warranted depends on the measure’s documentation, the conditions in which it was completed, and the question it is being used to answer. Neither sentence, on its own, establishes why a person acted a certain way in a given situation. The January 2025 guide recommends clarifying the purpose of an assessment, considering its context, and avoiding too much emphasis on results alone. It also says some characteristics may be better examined through direct questions or observation. The International Test Commission’s *ITC Guidelines on Test Use* makes a related point: test data represent one information source and should be considered with other information. It advises interpreters to account for context and technical limits, and not generalize beyond what the test measured. “Use other information” need not mean seeking a second score. It may mean checking whether a report’s wording helps describe a specific work situation. If the report suggests a preference for planning, an illustrative reflection could compare a task whose steps were clear with one whose priorities changed during the day. Compare what each task required with what the person did, noting conditions such as unclear instructions or limited time. This can test whether the wording is useful for reflection, but cannot prove the measure is sound, establish a lasting trait, or predict role success. The proportionate conclusion is modest: a score can prompt a question about a measured tendency, while the person’s examples and circumstances help test how that wording applies. If the report moves from a score to a claim about cause, permanence, or future work performance, ask what evidence supports that additional step. Until it is provided, the reader can use the report as a prompt without treating its interpretation as a complete account.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; ITC Guidelines on Test Use

How are consistency and validity different questions?

Reliability concerns the consistency of scores under specified conditions; validity concerns whether evidence supports a particular interpretation and use. A consistent score can still be used to make an unsupported claim. A report may present a stable result in precise language while the conclusion reaches beyond what was measured. The January 2025 guide Psychometric Assessments in Occupational Health treats both qualities as necessary checks, but it reports no evidence for a particular personality instrument. It gives readers questions to ask; the instrument’s documentation must supply the answers.

The guide uses reliability to mean how consistently a measure performs. It points to consistency over time, across administrators, and among questionnaire items. Similar scores on repeated administrations address whether a result tends to recur when the measured characteristic is expected to remain stable. Comparable results from different administrators address whether the outcome depends heavily on who conducted the assessment. Items intended to concern the same characteristic should also show a coherent pattern. a report that says only “reliable” leaves the reader unsure which kind of consistency was examined.

Validity asks a different question: does evidence support the claim made from the score? A manual might support interpreting a scale as a tendency toward planning without establishing that the scale predicts how someone will collaborate in a particular team. That is a further inference, requiring evidence suited to collaboration and the intended context. This example is illustrative, not a result from a named instrument. The guide urges users to check evidence behind a measure’s claims, but supplies no coefficient for an unspecified report.

The International Test Commission’s Guidelines on Test Use make the link between evidence and inference explicit: documentation should support the inferences drawn from scores and address reliability and validity for relevant populations and intended uses. The guidelines advise using a test only for purposes where appropriate validity evidence is available. Evidence supporting one interpretation, population, or purpose does not automatically establish another. Moving from private reflection to coaching, occupational-health support, or an employment decision changes the claim that needs support.

look for documentation that identifies the consistency evidence, the population it concerns, and the interpretation or use the validity evidence supports. Ask whether a sentence describes a measured tendency or predicts an outcome, and whether the evidence reaches that far. If the report offers only a general assurance that the assessment is scientific or validated, request the technical information behind that wording. Ask what reliability evidence is reported, for whom it applies, and what exact interpretation or use the validity evidence supports. A score may be consistent while the larger claim remains unanswered.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; ITC Guidelines on Test Use

What does a comparison group let the reader conclude?

A norm group is the reference group used to interpret a score in relation to other people who took the measure. That comparison can describe relative standing within the stated group and scoring method. It cannot, by itself, tell you how much of a personality tendency someone has in an absolute sense, how they will behave in every setting, or whether they will perform well in a particular job. Those are different claims and need their own support. The International Test Commission’s *Guidelines on Test Use* (version 1.2, 2013) advises test users to avoid conclusions based on norms that are irrelevant to the people being assessed or outdated. It also says reports should identify the norms and scale types used, and that interpretation should account for the characteristics of the comparison group and the score’s limitations. The Society of Occupational Medicine’s *Psychometric Assessments in Occupational Health* (January 2025) likewise says standardized assessment needs a clear comparison point. Together, the guides make a useful reader question clear: “Compared with whom, using which scale, and for what purpose?” The answer depends on what the report discloses. Look for a description of the reference population, the scale used to express the result, and enough information to judge whether that group is relevant to the person and setting at hand. If the report gives a percentile, it should be read as a position within its stated comparison, not as a percentage of a trait or a probability of succeeding at work. The technical documentation should clarify those points; the report need not reproduce an entire manual, but it should make its basis traceable. A second distinction matters: some scores compare a person with a reference group, while others are interpreted against a defined criterion or threshold. The SOM guide uses a physical-capacity example to explain why the question changes the comparison: deciding whether someone can comfortably lift a specified weight is not the same as ranking them against elite athletes. It illustrates the general point that a comparison method should fit the question being asked. So if a report says a result is “high” or “above average” without identifying the scale and comparison basis, the reader cannot tell exactly what that phrase means. Ask the provider or practitioner for the technical documentation: which population supplied the norms, when and where they apply, what score scale is shown, and whether the interpretation is normative or criterion-based. Until those details are clear, treat the comparison as unresolved. A relevant norm still does not establish a job-performance prediction or a complete account of an individual.

Sources: ITC Guidelines on Test Use; Psychometric Assessments in Occupational Health: What They Are and How to Use Them

Which conditions can change the meaning of an answer?

A response is produced in a setting, not in a vacuum. The Society of Occupational Medicine’s *Psychometric Assessments in Occupational Health* guide identifies honesty, stigma, fear, privacy, and a wish for a particular outcome as factors that may affect answers. It also notes that instructions can be easier for people with particular educational backgrounds or language skills to understand. These are possible influences, not proof that a particular score is distorted. A workplace respondent may wonder whether a manager will see the answers or whether a critical response could affect an employment decision. Such concerns could shape disclosure, but the guide does not quantify their effects. Context may matter; the direction and size of any influence remain unknown without evidence about that assessment. Check what the process explained: its purpose, instructions, intended use, privacy, and confidentiality. The SOM guide recommends clear instructions about purpose and use, informed consent, and protection of confidentiality. Their absence does not by itself show that a score changed, though an unclear purpose may limit interpretation. Language and cultural fit call for a specific question. The International Test Commission’s *International Guidelines on Test Use* advises checking whether a construct is meaningful across groups, whether language versions were developed appropriately, whether administrators can communicate in the assessment language, and whether test takers’ proficiency was considered. A translation alone does not establish that wording or interpretation works comparably for the test taker. Ask which version was used and whether it is supported for that group and purpose. Administration changes can matter too. The ITC guidelines call for following test instructions while allowing reasonable accommodations, and recording deviations from procedures. The implications depend on the instrument and change made; “modified” or “standard” alone settles nothing. If timing, format, assistance, or instructions differed from the report’s stated procedure, note the difference and ask the administrator whether it affects interpretation. This seeks context, not a diagnosis of response bias. A practical rule is to distinguish a documented condition from a suspected influence. “I completed a different language version” is information to verify; “my answers must be inaccurate” is a conclusion the condition alone cannot support. SOM urges attention to context and cautions against overgeneralizing results. ITC asks interpreters to account for relevant personal context and departures from standard procedure. Identify the condition, check the documentation, and ask whether it changes confidence in this interpretation. Do not infer distortion from culture, disability, privacy concerns, or discomfort alone.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; ITC Guidelines on Test Use

Does occupational-health guidance make a personality report a hiring tool?

No. Occupational-health guidance does not, by itself, make a personality report suitable for hiring. The January 2025 Society of Occupational Medicine guide addresses how occupational-health practitioners and associated professionals should choose, administer, interpret, and review psychometric assessments. It explicitly distinguishes pre-recruitment processes from routine checks and clinical settings, calling them different situations. A report’s presence in a workplace does not tell the reader which decision it was designed to inform or whether evidence supports that decision.

Three purposes should stay separate. In self-reflection or coaching, a personality description may help someone form questions about recurring work patterns. In occupational health, an assessment may contribute information to a defined health or work-related question. In applicant selection, a result may influence access to a job, so the evidence and procedure must fit that consequential use. A development report does not become a selection instrument merely because an employer has received it; the specific measure and interpretation need support for the decision at hand.

The Society of Occupational Medicine guide advises users to define the purpose, consider evidence for the measure, and avoid placing too much weight on results alone. It says assessment choice should fit the aim and context. For readers, this turns “the organization uses psychometrics” into a more precise question: what decision is being made, and what evidence supports this report’s role in it? The guide does not validate an unnamed personality report for recruitment.

For a US example, the Office of Personnel Management’s “Are we allowed to use personality tests to assess candidates?” says work-related personality tests for normal adult populations may be used in candidate assessment, subject to the technical standards in the Uniform Guidelines on Employee Selection Procedures. This is a qualified statement about US selection practice, not approval of every personality test. OPM also distinguishes work-trait measures from instruments designed to reveal psychiatric conditions; a general personality report should not be treated as a clinical diagnosis.

The Equal Employment Opportunity Commission’s questions and answers on the Uniform Guidelines describe a distinct employment-selection framework. They discuss job-related validity evidence and explain how adverse impact is considered under those Guidelines. This framework is specific to the United States; it cannot replace the Society of Occupational Medicine’s UK professional guidance or serve as a complete account of law elsewhere. A report does not establish job-relatedness just because a described tendency sounds relevant to work.

If a report is used to rank, reject, promote, or otherwise make an employment decision, ask what job-specific evidence supports that use and what process governs it in the relevant jurisdiction. An occupational label or development purpose is not a substitute. The answer is narrow: occupational-health guidance can improve the questions asked about an assessment; it does not turn a personality report into a hiring tool.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; Are we allowed to use personality tests to assess candidates?; Questions and Answers to Clarify and Provide a Common Interpretation of the Uniform Guidelines on Employee Selection Procedures

What did the 2025 guide add beyond earlier test-use guidance?

The January 2025 guide from the Society of Occupational Medicine (SOM) makes practical assessment checks accessible in an occupational-health frame. Its core principles are not new. The International Test Commission’s (ITC) Guidelines on Test Use, version 1.2, are dated 8 October 2013; the document says the guidelines were formally adopted in 1999 and published online in 2000. They already set out responsibilities for ethical test use, test choice, administration, scoring, interpretation, reporting, and feedback. The comparison therefore turns on audience and application, not a claim that responsible test use began in 2025.

The ITC document is an international framework for test users across professional settings. It asks users to work ethically, attend to test-takers’ rights and the reasons for testing, and consider context. It also covers the competence needed to choose tests, interpret results, and communicate them. Its stated aim was to gather principles from existing guidelines and codes into a coherent structure, rather than invent new ones. Advice to check purpose, context, and interpretation is therefore established test-use guidance, not a property newly conferred on a personality report by a 2025 publication.

SOM’s Psychometric Assessments in Occupational Health: What they are and how to use them applies related responsibilities to occupational-health practitioners and associated professionals. It proposes practical checks: clarify purpose, choose a suitable tool, examine evidence, consider bias and context, explain how results will be used, protect confidentiality, obtain informed consent, and evaluate outcomes. The guide covers several assessment types, including personality questionnaires, health measures, and work-related assessments. This setting makes its advice easier to connect with workplace practice; it is not guidance limited to personality reports.

The useful addition, then, is a setting-specific route from principle to practice. A reader can ask whether the report’s purpose was stated, whether its measure suits that purpose, and whether the people involved understand how results will be handled. Those questions make the process more inspectable. The guide does not report a new validation sample, score coefficient, norm group, or cutoff for a personality instrument. Nor does its publication date alter what a particular report’s existing evidence can support. It is practice guidance about responsible use, not evidence that an unnamed report is accurate for a particular interpretation.

For report readers, the distinction is practical: SOM offers an occupational-health framing, while the underlying duties to match evidence, context, and use predate it. Neither document establishes that a specific personality report supports a specific conclusion. That still depends on documentation for the instrument, population, administration, interpretation, and proposed use.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; ITC Guidelines on Test Use; Guidelines on the use of psychometric assessments in occupational health

How can a reader turn a report into a proportionate next step?

A report becomes more useful when one sentence in it is turned into a question that can be checked against work, rather than accepted as a verdict. Suppose the wording says someone tends to prefer planning. The practical question is not whether that label is wholly true, but when planning helps, what happens when plans change, and what the task itself requires. The example here is illustrative, not a finding about any actual respondent. For a low-stakes reflection, note one recent task with time to organize it and another in which a deadline or requirement shifted. In each case, record observable actions: what was prepared, what changed, how the person responded, and whether the result met the task’s needs. Include a counterexample if the person adapted readily or chose to proceed without a plan. That counterexample matters because a broad report phrase may describe a tendency, not every situation. It also keeps the reflection tied to context instead of turning a single event into a stable identity. This comparison does not confirm that the assessment measured planning accurately. It asks whether the report’s wording helps describe experience, and where it fits poorly. The Society of Occupational Medicine’s *Psychometric Assessments in Occupational Health* advises using an assessment as one source rather than relying on a single measure, and notes that direct questions or observation may provide a fuller understanding. Examples can therefore sharpen a conversation, but they do not establish the instrument’s reliability or prove a work outcome. If the report’s purpose, scoring method, comparison group, or sharing arrangements are unclear, the proportionate next step may be to ask the practitioner or provider for those details. A reader need not force a personal interpretation where basic information is missing. The action should match the evidence: reflect on a possible pattern, request clarification, or leave the claim open. For an optional prompt, the live Work Pattern Report can help organize observations across decision and collaboration tendencies. It is a non-validated self-report: it supplies no norms, cutoff, type, selection score, diagnosis, or job recommendation.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them

What should I do if the report leaves key evidence unclear?

Ask the person who provided the report what question the measure was intended to inform, which population and comparison support the score, how results will be shared, and what evidence connects the score to the proposed interpretation or action. These are focused requests for the basis of a conclusion, not demands for a technical manual. The Society of Occupational Medicine’s *Psychometric Assessments in Occupational Health* guide recommends matching tools to purpose, considering context, and communicating clearly. It organizes these questions; it does not validate an unspecified personality report. If an answer is missing, keep the conclusion narrow. A report may prompt reflection or coaching, but that does not establish suitability for selection. The International Test Commission’s *International Guidelines for Test Use* also ties interpretation to relevant evidence, population, and intended use. The 2025 guide changes the process a reader can ask for, not what a particular score has been shown to mean. Seek clarification before making a stronger personal or employment inference. The optional Work Pattern Report at /assessment can turn a broad work question into observations for low-stakes reflection; it is non-validated and offers no job recommendation.

Sources: Psychometric Assessments in Occupational Health: What They Are and How to Use Them; ITC Guidelines on Test Use