· Further investigation by Costa and McCrae discovered two more personality traits, agreeableness (A) and conscientiousness (C). In , they published a manual for the test which included all five traits. By , Costa and McCrae had developed six facets for each of the five traits, totaling 30 facets in all. Subsequently, they published the Revised NEO Personality Inventory (NEO-PI . The NEO Personality Inventory (NEO-PI), first published in , was an adaptation of an earlier three-factor inventory (Costa McCrae, ). The initial three-factor inventory included the domain scales Neuroticism, Extraversion, and Openness; Agreeableness and Conscientiousness domains were added several years later. Description. The Revised NEO Personality Inventory, or NEO-PI-R (Costa McCrae, ), is the second revision of a psychological measure of personality, the Neuroticism-Extraversion-Openness Personality Inventory, based on the Five-Factor Model of Personality (FFM) (Digman, ). The FFM postulates five basic dimensions of personality that summarize a person’s emotional, interpersonal, .
NEO Personality Inventory, Revised (NEO PI-R) Paul T. Costa, Jr., Ph.D. Robert R. McCrae, Ph.D. 4 20 20 30 30 40 40 50 50 60 60 70 70 80 80 Very high High Average Low Very low Very low Low Average High Very high 98 96 94 92 90 88 86 84 82 80 78 76 74 72 70 68 66 64 62 60 58 56 54 52 50 48 46 44 From this data, Costa and McCrae recognized two more factors: Agreeableness (A) and Conscientiousness (C; Costa McCrae ). They then published the first manual for the NEO, which included all five factors. The assessment also included six "facet" sub-scales for the three original factors (N, E, O; Costa McCrae ). In , they published the original version of the test based on these three personality traits, NEO-PI. Further investigation by Costa and McCrae discovered two more personality traits, agreeableness (A) and conscientiousness (C). In , they published a manual for the test which included all five traits. By , Costa and McCrae had.
The universality and sufficiency of the five-factor model in the Chinese context were investigated. In Study 1, analysis of the Revised NEO Personality Inventory (NEO-PI-R) and the Chinese Personality Assessment Inventory (CPAI) taken by Chinese students showed four joint factors similar to the domains of the NEO-PI-R. When rst published (Costa McCrae, ), the NEO Personali ty Invent ory consisted of items, with six facet scales for each of the N eu- roticism (N), Extraversion (E), a nd Openness to. The NEO Personality Inventory Revised (NEO-PI-R) and the NEO Five-Factor Inventory (NEO-FFI) The NEO-PI-R (with its earlier version, the NEO-PI) and the NEO-FFI were developed to measure five major dimensions of personality (Costa McCrae, , b). The NEO-PI-R is the longer inventory, with items that are grouped into 30 scales.
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