Abstract
The importance of quickly assessing personality traits in many studies prompted the development of brief scales such as the Ten-Item Personality Inventory (TIPI), a measure of five personality traits (extraversion, agreeableness, conscientiousness, emotional stability, and openness). In the current study, we present the Portuguese version of TIPI and examine its psychometric properties, based on a sample of 333 Portuguese adults aged 18 to 65 years. The results revealed reliability coefficients similar to the original version (α = 0.39–0.72), very good 4-week test–retest reliability (n = 81, rs > 0.71), expected factorial structure, high convergent validity with the Big-Five Inventory (rs > 0.60), and correlations with self-esteem, affect, and aggressiveness similar to those found with standard measures of personality traits. Overall, our findings suggest that the Portuguese TIPI is a reliable and valid alternative to longer measures: it offers a promising tool for research contexts in which the available time for personality assessment is highly limited.
Highlights
The Big-Five model is the most widely accepted model of personality (Woods and Hampson, 2005)
We randomly split the total sample into a calibration sample submitted to Exploratory Factor Analyses (EFA; n = 133; 40% of the total sample) and a validation sample submitted to Confirmatory Factor Analysis (CFA; n = 200; 60% of the total sample)
We randomly split the total sample into a calibration sample submitted to Exploratory Factor Analyses (n = 133; 40% of the total sample) and a validation sample submitted to Confirmatory Factorial Analysis (CFA) (n = 200; 60% of the total sample)
Summary
The Big-Five model is the most widely accepted model of personality (Woods and Hampson, 2005) It suggests five personality traits: Extraversion (to be sociable, active), Agreeableness (to be softhearted, trusting), Conscientiousness (to be organized, reliable), Emotional Stability (to be calm, relaxed), and Openness (to be curious, creative) (Costa and McCrae, 1992). There are many instruments to measure personality traits: 240-item Revised NEO Personality Inventory (Costa and McCrae, 1992), 60-item NEO-Five Factor Inventory (Costa and McCrae, 1992), and 44-item Big-Five Inventory (BFI; John and Srivastava, 1999). One of the shortest validated instruments to measure personality traits is the Ten-Item Personality Inventory (TIPI)
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