Job candidate evaluation methods that work

— By Omer Molad

Candidate evaluation methods such as pre-employment assessment, skill testing, and interviewing often work best when combined.  

Omar Molad, Co-founder and CEO, Vervoe

Omer Molad, Co-founder and CEO, Vervoe

The goal of these evaluation methods may be similar – to identify a suitable candidate for a particular job – but they are fundamentally different techniques and each method will produce completely different outputs. Moreover, in some cases, it might make sense to combine one or more of these methods

Candidate evaluation methods 

An excellent discussion on this topic can be heard in a podcast hosted by John P. Beck, Jr and featuring Dr Scott Hamilton, CEO of Hamilton & Associates Consulting. In the discussion, Dr Hamilton distinguishes between each candidate evaluation method.

The key points in the broadcast are summarised here:

Skill testing

Skill testing is all about understanding whether someone can do something or knows something. The ‘something’ can be a simple task, a range of complex tasks, or demonstrable knowledge. It is possible to test for almost any skill because you can simply watch people perform tasks.

Dr Hamilton gives the simplest of examples: “If someone is going to have to weld metal, you want to see them weld metal.”

This is why résumés and interviews are inherently poor methods of validating skills. They are focused on what candidates claim they can do, not what they can actually do. Instead, it is far more compelling to see how people perform. Literally. Moreover, it’s far simpler.

Skill testing is context-dependent, and therefore subjective in nature. But it can also be objectively assessed, which means it can be pass/fail.

Let’s take a writing test as an example. The style of writing that you will test depends entirely on the job – it can be anything from creative writing to technical writing. So the test is bespoke. At the same time, it is usually possible to objectively determine whether a candidate performed well. To use Dr Hamilton’s welding example, either someone knows how to weld metal or they don’t.

The opposite is usually true of pre-employment assessment.

Pre-employment assessment: what is it?

Pre-employment assessment is focused on predicting how people will behave in certain scenarios, not what they can do. They explore key personality traits based on an understanding that someone’s personality can predict their behaviour. Most personality assessments are based on the Five-Factor Model, which asserts that there are five personality super traits:

  1. Openness to experience
  2. Conscientiousness
  3. Extraversion
  4. Agreeableness
  5. Neuroticism

Therefore, if we gain an understanding of someone’s personality, and particularly these five super traits, we will have a good chance of knowing how they will react in different situations. Unlike skill testing, this doesn’t mean someone can do the job. But it may shed light on how they will do the job.

Pre-employment assessment: does personality change?

Now here’s the tricky part. While skills can be taught, many people think that personality is fixed. However, that isn’t entirely true. Studies have shown that personality can, and does, change over time. While most people don’t change in a fundamental way, it is possible to change behaviours and habits, according to Carol Dweck. And it’s those very behaviours that are relevant to how someone will perform in a job, not their personality per se. That’s why two people with different personalities can perform well in the same role.

[click_to_tweet tweet=”Studies have shown that personality can, and does, change over time. ” quote=”Studies have shown that personality can, and does, change over time. “]

Whether we believe personality is fixed or not, it is not something that can be measured in binary terms such as pass/fail, like a test in Excel. It’s who we are and, if we subscribe to the theory that personality changes over time, it’s who we are at the time of assessment. This means that the outcome of a personality assessment can’t be viewed as “good” or “bad” in isolation, it can only indicate potential suitability for a specific job. Conversely, someone can be good at Excel.

Additionally, if used incorrectly, personality assessments can be harmful to the hiring process. That’s why pre-employment assessments that test personality need to be validated. Skill testing, on the other hand, is inherently bespoke.

What does this all mean?

This is where it gets interesting. Let’s start with the dictionary:

  • test means “a procedure intended to establish the quality, performance, or reliability of something, especially before it is taken into widespread use”.
  • To assess means to “evaluate or estimate the nature, ability, or quality of”.
  • An interview means “a meeting of people face-to-face, especially for consultation”.

Interviewing

Tests and assessments sound fairly similar. They are ways of measuring ability or quality. On the other hand, an interview is a discussion. Technology also makes it possible to conduct one-way interviews using video, which is essentially discussions without real-time interaction. And yet, the most commonly used method for making hiring decisions is interviewing. For some reason the notion that skills and behaviours can be evaluated without skill tests or assessments – but through a discussion – has become the norm.

Maybe it’s because of a lack of resourcing. Maybe we trust our intuition more than third-party methods. Or maybe it’s a lack of awareness. But it doesn’t make a lot of sense because interviews don’t predict performance. They typically focus on understanding what someone did in the past or discussing what they claim to be able to do, without proof.

[click_to_tweet tweet=”Interviews don’t predict performance. They typically focus on understanding what someone did in the past or discussing what they claim to be able to do, without proof.” quote=”Interviews don’t predict performance. They typically focus on understanding what someone did in the past or discussing what they claim to be able to do, without proof.”]

Can interviews nevertheless play a valuable role in the hiring process?

Interviews should be used to get to know a preferred candidate after their skills and behaviours have been validated. Only candidates who have already demonstrated they can do the job should be interviewed. That would allow for a much more valuable interviewing experience and far better use of everyone’s time. Unfortunately, that is not normally the case.

Can we combine skill testing, pre-employment assessment, and interviewing?

A strong hiring process will combine reliable insights about a candidate’s ability to do the job and their expected behaviour with high-quality human interaction. In theory, this could involve a skill test, some form of pre-employment assessment, and an interview. It very much depends on the type of role, and the candidate experience, the company wants to deliver.

Hiring is not a “one size fits all” endeavour. Every situation is different. But understanding what each evaluation method can achieve and, more importantly, what it will not achieve, will go a long way to helping companies build robust hiring processes.

 

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