Job Characteristics Theory

What it is

The five core characteristics are skill variety, how many different skills the work calls on; task identity, whether the worker completes a whole and identifiable piece of work rather than a fragment; task significance, whether the work visibly affects other people; autonomy, how much discretion the worker has over how and when the work is done; and feedback, whether doing the work itself tells the worker how well it went.

The theory holds that these produce three psychological states: experienced meaningfulness, experienced responsibility for outcomes, and knowledge of results. Motivation and satisfaction follow from those states rather than directly from the characteristics.

The structure of the argument is what makes it useful. It relocates motivation from the worker to the design of the work, which means the lever is the job rather than the person holding it.

One naming correction belongs here. The standard name is job characteristics theory, or the job characteristics model. At least one trade treatment in this vault's reading calls it task characteristics theory, which is wrong, and matters only because a reader who goes looking under that name will not find the literature behind it.

In effect

The downstream evidence is substantial. Stephen Humphrey, Jennifer Nahrgang and Frederick Morgeson's 2007 synthesis pooled two hundred and fifty-nine studies of work design and supports the general shape: the characteristics relate to the outcomes the theory predicts, with autonomy and feedback doing a good deal of the work.

The applied reading is a design brief. If a job scores badly on task identity because it has been broken into fragments, no amount of coaching the people in it addresses the problem, and reassembling the work does. If feedback arrives only from a manager rather than from the work itself, the job has been built so that nobody can tell how they are doing without asking.

The caveat that belongs on this page rather than elsewhere is the unit of analysis. The theory is about individual jobs, and the work-design literature supporting it measures individual attitudes and behaviours. Extending it to team performance is a step rather than a restatement, and trade treatments take that step silently.

What it does not say

It does not say these five characteristics are the whole of motivation. It is an account of what job design contributes, and pay, management, security and everything else sit outside it.

It does not say more of each is always better. Skill variety in particular has limits, and a job assembled from too many unrelated demands is not a well designed one.

It does not say anything measured about teams. The evidence base is individual jobs, and the extension is an argument someone has to make rather than a finding to be cited.

And it does not replace the neighbouring accounts. Self-determination theory covers the same territory from the side of the person's needs rather than the job's features, and job strain covers the failure mode.

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