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Convergent evolution—the repeated evolution of similar traits in multiple lineages which all ancestrally lack the trait—is rife in nature, as illustrated by the examples below. The ultimate cause of convergence is usually a similar evolutionary biome , as similar environments will select for similar traits in any species occupying the same ...
Agreeable people also have an optimistic view of human nature. Being agreeable helps us cope with stress. [90] Disagreeable individuals place self-interest above getting along with others. They are generally unconcerned with others' well-being and are less likely to extend themselves for other people.
Their new methods of personality assessment describe fluctuations in personality characteristics that are consistent and predictable for each person, based on his predispositions and the environment they are in. Some work suggests that people can adopt different levels of a personality dimension as the social situations and time of day change. [14]
In the ideal personality, the complementary characteristics were exquisitely balanced among warm-cool and dry-moist. In four less-ideal types, one of the four qualities was dominant over all the others. In the remaining four types, one pair of qualities dominated the complementary pair; for example, warm and moist dominated cool and dry.
Examples of human phenotypic variability: people with different levels of skin colors, a normal distribution of IQ scores, the tallest recorded man in history - Robert Wadlow - with his father. Human variability , or human variation , is the range of possible values for any characteristic, physical or mental , of human beings .
Happiness, many people assume, is boring--a complacent state of mind for self-absorbed, uninteresting people. Consider the scene in Woody Allen's movie Annie Hall, when Are Shallow People Happier ...
People may change their stripes to blend in with the crowd to establish connections. Dr. Smith says that people may think that becoming agreeable "enough" can increase their odds of being included.
Heredity (nature) versus environment (nurture) – Personality is thought to be determined largely either by genetics and biology, or by environment and experiences. Contemporary research suggests that most personality traits are based on the joint influence of genetics and environment.