[IPAC-List] Performance Appraisal Likert Scales

Jason Bowling jbowling at ssvec.com
Thu May 28 11:40:13 EDT 2009

Hello all,

Does anyone know of research into Performance Appraisal Scales? Is there
an ideal/industry standard scale size?

Currently we use a 3-point scale (does not meet, meets, and exceeds
expectations). This short scale is great for inter-rater reliability,
but it seems to me, it sacrifices capturing the variability in
performance. Only in extreme situations do we see folks departing from
the default "Meets expectations."

Beyond just rating the performance of individuals, I would like to
assess the predictive validity of our hiring processes. Without much
variation, PA scores are practically orthogonal to all selection
measurements we use.

This is just one aspect of our PA system I am evaluating, but I cannot
find literature on the topic.


Jason Bowling, PHR

Human Resources Manager


Ofc: 520.515.3480

Cel: 520.220.6563

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