Final answer:
The 'fault-finding, critical, hostile' to 'helpful, selfless, kind' characteristics are part of the agreeableness dimension in the Big Five personality traits, describing a spectrum from agreeable to disagreeable.
Step-by-step explanation:
The characteristics 'fault-finding, critical, hostile' and 'helpful, selfless, kind' fall within the agreeableness dimension of the Big Five personality traits. These traits describe one's social harmony, ranging from cooperative and warm (agreeable) to critical and antagonistic (disagreeable). The Big Five, which consists of openness, conscientiousness, extroversion, agreeableness, and neuroticism, describe broad domains of personality. In the Five Factor Model, these traits are seen as spectrums, with individuals scoring at varying degrees to form a unique personality profile. For instance, in the case of agreeableness, someone can be very compassionate and altruistic, lying at one end of the spectrum, or they could be more competitive and challenging, at the other end.