Threshold Traits Analysis System
1. Definition of Threshold Traits Analysis System
Threshold Traits Analysis System (TTAS model) is a method of job analysis, was developed in 1970 by Felix Lopez.
This method used to provide a theoretically coherent, multipurpose, trait-oriented and defensible method of job analysis.
2. Application of Threshold Traits Analysis System
The entire TTAS contains several different pieces. Some pieces are designed for describing traits for selection, some are designed for training, and some are designed for job description (although a TTAS can be used for other purposes as well, including job evaluation).
3. Components / contents of Threshold Traits Analysis System
Threshold traits analysis system include a standard set of 33 traits.
There traits are divided into 2 classes ability and attitude.
• Ability traits are “can do” factors. It are described as abilities and contain the physical, mental, and learned traits.
• Attitudinal traits are “willing to do” factors. It are described as attitudes and contain the motivational and social traits.
These traits also are assessed for 6 characteristics: level, practicality, weight, degree, critique and availability as follows:
• Level are trait’ s complexity.
• Practicality are estimated proportion of job applicants thought to possess trait indicated.
• Degree represents a four grade assessment of a person’s possession of a trait, ranging from unacceptable to superior.
• Critique refers to relationship between possession of a trait and job performance.
• Availability describe supply / demand ratio of each trait level in labor market.
• Weight is an index of the impact of particular trait on job performance.
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Author: Davi Ngo, hrvinet.com
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