Assessment Methods in Recruitment, Selection Performance A Managers Guide to Psychometric Testing, Interviews and Assessment…

What it’s about

In a world where poor hiring decisions cost organisations hundreds of percent of a salary and performance is often managed through gut feel and informal ritual, Robert Edenborough's 'Assessment Methods in Recruitment, Selection and Performance' delivers a unified, evidence-based framework for understanding people at work. Drawing on over 40 years of applied experience—from selecting barmen to astronauts—Edenborough walks managers and HR professionals through the history, science, and practice of psychometrics, assessment centres, and structured interviews, showing how these three disciplines form a joined-up system for predicting and managing human performance. The book demystifies statistical concepts like validity, reliability, norms, and correlation, explains the legal and ethical landscape from data protection to equal opportunities, and provides practical guidance on competency modelling, exercise design, assessor training, 360-degree feedback, coaching, and the use of technology. It culminates in cutting-edge applications including team assessment for major organisational change and HR due diligence in mergers and acquisitions—making it essential reading for anyone who wants their people decisions to be as rigorous as their financial ones.

The through-line

Who it’s for

Managers, HR professionals, and organisational leaders who are responsible for hiring, developing, and managing people but lack a rigorous, integrated framework for making those decisions objectively and defensibly.

The problem

Selection and performance management decisions are routinely made using weak, arbitrary, or pseudo-scientific methods—unstructured interviews, over-reliance on experience and age, graphology, or untrained use of psychometric instruments—that fail to predict job success. Decision-makers feel uncertain, exposed, and secretly aware that their people judgements may be wrong, yet they lack the conceptual language and practical tools to do better, leaving them vulnerable to expensive hiring mistakes and unfair outcomes.

The plan

1. Understand the conceptual foundations: what selection and performance management are trying to achieve, and why objectivity and competency are the central organising ideas.
2. Learn the history and current state of psychometrics, assessment centres, and structured interviews to appreciate what works, what doesn't, and why.
3. Master the statistical concepts—validity, reliability, norms, correlation, standard error—that determine whether any assessment method is adding value or generating noise.
4. Navigate the regulatory landscape: BPS qualification levels, Data Protection Act, equal opportunities law, disability provisions, and copyright obligations.
5. Build or commission competency models that anchor all assessment activity to causally relevant, behaviourally defined criteria rather than arbitrary proxies.

The payoff

Hiring decisions become demonstrably more accurate, reducing costly mis-hires and the personal damage they cause on both sides. · Performance management becomes genuinely integrated with business strategy, driving sustained organisational improvement rather than functioning as annual ritual. · Assessment processes are legally defensible, fair to all candidates including minorities and people with disabilities, and compliant with data protection obligations.

See our guide

• Do Selection, Assessment And Performance Evaluation Well →

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