Development of Occupational Personality Inventory

Jo Marie  Brun-Osongco,

Development of Occupational Personality Inventory

Abstract:

This study developed an Occupational Personality Inventory (OPI). Specifically, it answered and accomplished the following objectives: (1) To construct items of the proposed Occupational Personality Inventory based on literature and studies. (2) To establish the validity of the proposed Occupational Personality Inventory by: (1.1) Face Validity and (2.2) Content Analysis. (3) To establish the reliability of the proposed Occupational Personality Inventory by Test Re-Test Design. (4) To establish a standardization process of the proposed Occupational Personality Inventory. Research and Development (R&D) was the research method used in the study. Most of the items were found valid after it underwent experts’ face validation and Lawshe’s content validity method. The items garnered an excellent reliability using test re-test method. A manual was made for the uniformity of administration of the test and consistent scoring of the inventory to guarantee the standardization process. The study's findings led to the conclusions that the items of the created Occupational Personality Inventory evaluated and represented various occupational personalities of the employees; employees were discriminated against based on their occupational personalities according to the items in the scale; every item in the inventory met statistical validity requirements; and the reliability index of the OPI is excellent.

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