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TopWhile in the existing literature there are different suggestions for the assessment of personality characteristics, it seems that Big Five is the most widely used psychometric test of personality (Gurven, Von Rueden, Massenkoff, Kaplan, & Lero Vie, 2013). Moreover, as indicated in the relevant website the IPIP tool’s reliability is quite favorable (alpha = 0.84). This scale is available free of charge in a website (http://ipip.ori.org), which included translations into various languages (also in Greek). Big Five personality test comprises five factors (Goldberg et al., 2006) namely extraversion, agreeableness, conscientiousness, emotional stability-neuroticism and openness to experience.
Kim and Schniederjans (2004), investigated personality characteristics (Big-Five) using the Wonderlic Personality Characteristics Inventory (PCI, Wonderlic, 2004) in 140 students who attended an entirely online course. They found that all students’ personality characteristics (Big-Five) were related to their grade performance. Moreover, they found that the top decile of the sample with the highest grade performance, differentiates from the bottom decile with the worst grade performance in relation to personality characteristics.