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The Generalized Expertise Measure (GEM) (2006) was developed by Marie-Line Germain as a measure of perception of employee expertise. She has also found that there is a behavioral dimension found in "experts", in addition to the dimensions suggested by Swanson and Holton (2001).
The 16-item scale contains objective expertise items and subjective expertise items. Objective items (the first 5 items of the measure below) were named Evidence-Based items. Subjective items (the remaining 11 items from the measure below) were named Self-Enhancement items because of their behavioral component.
- This person has knowledge that is specific to his or her field of work.
- This person shows that they have the education necessary to be an expert in his/her field.
- This person has knowledge about his/her field.
- This person has the qualifications required to be an expert in his/her field.
- This person has been trained in his or her area of expertise.
- This person is ambitious about their work in the company.
- This person can assess whether a work-related situation is important or not.
- This person is capable of improving himself or herself.
- This person is charismatic.
- This person can deduce things from work-related situations easily.
- This person is intuitive in the job.
- This person is able to judge what things are important in his/her job.
- This person has the drive to become what he or she is capable of becoming in his/her field.
- This person is self-assured.
- This person has self-confidence.
- This person is an expert who is outgoing.
- This material is copyrighted and must not be used without citing the author (Germain, 2006).
With a sample of N=307, the scale reliability (internal consistency, Cronbach Alpha coefficient) of the 16-item scale was high (.91 for the five Evidence-Based items and .92 for the eleven Self-Enhancement items).
- Germain, M. L. (2006). Development and preliminary validation of a psychometric measure of expertise: The Generalized Expertise Measure (GEM). Unpublished Doctoral Dissertation. Barry University, Florida.
- Germain, M. L. (2006, April). Perception of Instructors’ Expertise by College Students: An Exploratory Qualitative Research Study. American Educational Research Association annual conference, San Francisco, CA. April 7-11.
- Germain, M. L. (2006, February). What experts are not: Factors identified by managers as disqualifiers for selecting subordinates for expert team membership. Academy of Human Resource Development Conference. Columbus, OH. February 22-26.
- Germain, M. L. (2005, February). Apperception and self-identification of managerial and subordinate expertise. Academy of Human Resource Development. Estes Park, CO. February 24-27.
- Swanson, R. A., & Holton III, E. F. (2001). Foundations of Human Resource Development. San Francisco: Berrett-Koehler Publishers, Inc.
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