Official Name   Jackson Personality Inventory-Revised (JPI-R)
Version / Form   Online
Publisher   Sigma 
Type   Personality
Duration   45 minutes
Publisher's description   The JPI-R is a revision of the original JPI. Like its predecessor, the JPI-R assesses personality variables relevant to the functioning of a person in a wide range of settings such as those involving work, educational/organizational behavior, or interpersonal situations. The JPI-R contains a total of 300 True/False items and takes about 45 minutes to administer. Revisions to the original JPI materials include (a) updated college norms, (b) entirely new norms for blue and white collar workers, (c) renaming of some scales to better reflect scale content, (d) scale organization in terms of five higher-order dimensions, (e) removal of the Infrequency scale to facilitate use for employment screening, (f) coverage of extended distributional characteristics, (g) compilation of new research findings, (h) addition of scale-by-scale item lists to promote scale interpretation, (i) a glossary of technical terms to facilitate understanding of the often sophisticated procedures used in constructing the JPI and JPI-R, and (j) a new quick-scoring answer sheet, which eliminates the need for a separate scoring template. The JPI-R's 15 scales are as follows, organized in terms of five higher-order clusters:

Analytical: Complexity, Breadth of Interest, Innovation, Tolerance
Extroverted: Sociability, Social Confidence, Energy Level
Emotional: Empathy, Anxiety, Cooperativeness
Opportunistic: Social Astuteness, Risk Taking
Dependable: Organization, Traditional Values, Responsibility
The statistical procedures employed in the construction of the JPI are among the most elaborate ever employed for a personality test. Starting with a very large item pool, two separate item analyses on separate samples were undertaken to further three general aims: (a) to maximize item content saturation in relation to desirability variance; (b) to maximize scale reliabilities; and (c) to minimize interscale redundancy.
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