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Psychometric Misconceptions #5: They Don’t Work

Psychometric Misconceptions #5: They Don’t Work

Psychometric Misconceptions #5: They Don’t Work

Here and there we hear people wondering about how psychometrics work, and with this doubt comes understandable discomfort about the fact a potential future employer could make a recruitment decision based on these tests. If you’re a non-believer prepare to be enlightened.

Before we get into the details - take a look at our case studies page for irrefutable evidence that our psychometric tests do work, saving money and reducing attrition. 


Psychometrics come in many different shapes and sizes, and are used for many different purposes, but for now let’s look at personality questionnaires being used to inform the recruitment process.

First off, what we have developed is a lot more complex than a buzz-feed style quiz (although coincidentally we do have a few of these too). Our assessments have been created by psychologists to ensure that they are easy to use, the items measure what they set out to, and they are occupationally relevant. They have undergone a detailed development process and are based on empirical research and current personality theory.  

We advise that our tests on Psycruit are used to aid your decision making in the recruitment process, not act as the be all and end all. They allow you to understand how a candidate sees themselves in the workplace and how they tend to behave, compared to their peers. 

In order to receive BPS accreditation (an official governing body stamp of approval) tests must pass strict guidelines in order to prove they measure what they say they do, and that they accurately predict job performance

When the BPS check a test  they look at reliability, validity, norm groups, test development and theoretical foundations as well as many other areas. This means that if a test has been accredited by the BPS they are sure to be sufficient in these aspects. If they were not at the time of review, the BPS would make suggestions on how to amend these issues and the test provider is expected to make these changes.

So, how can you tell the difference between personality assessments like ours, which are reliable and are an effective tool within the recruitment process, and those which fall short?

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Warning Signs*

  • No BPS accreditation 
  • Providers are unclear about what their tests should be used for if the exact same test and related report claims to be all singing all dancing, this could be a cause for concern. For a well thought out overview of someone’s personality, it should be tailored towards a specific use and towards a specific viewer, and therefore presented differently.
  • Items are abstract – If items are very abstract, they may be poorly related to what they are intended to measure. A test should be clear and not aim to fool the candidate in any way. Where items are unclear about what they are testing, they are often more ambiguous and open to interpretation by the candidate. 
  • Items are emotion based and ask about personal life – a personality questionnaire for recruitment should be concerned with a candidate’s behaviours, preferences and tendencies at work and so not surprisingly, should also ask questions in a work based context. A questionnaire should not ask about what you’re like at a party if it is aiming to be occupationally relevant.
  • Items are future based – a candidate’s ability to predict what they would do in the future is strongly influenced by their current state and how they are feeling in that particular moment, rather than traits; what they are like as a person. Instead items should ask about what a candidate is like more generally.
  • Vague output – if you receive a report that is vague, and includes only a small amount of information that seems genuinely relevant to you, then this is probably due to the fact the test is inaccurate. It may have made general sweeping statements to cover the fact that there is no deeper information available from the output of the test. 
  • Type based assessments – output which involves type based personalities can be great for development needs; for getting the conversation started about personality and to help people reflect on their preferences in comparison to other work colleagues. They are not, however, a suitable tool for informing recruitment decisions as the narrow definitions or 'boxes' adopted by the type based approaches severely simplifies the complexities of an individual. This means it is hard to distinguish between people of the same type as there is no deeper information about them.

*these do not necessarily indicate a test doesn’t work at all, but they are a few things to look out for and consider in the context of your recruitment and selection needs.

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For more psychometric misconceptions, based on information from our recent sales webinar, keep an eye on our social media and website to stay in the loop about our upcoming blogs. Or take a look at the ones we've already posted!

If you’re interesting in using some valid, reliable and predictive psychometric tests, contact us on 01273 73400 or email letterbox@criterion.co.uk 

Published by Lily Harvey

December 20th, 2018 | Psychometrics, Recruitment, Psychometric Misconceptions

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