Replication of the marshmallow test in Colombia
Children who can delay gratification at age 4 were found in a study to, on average, perform better and be more successful in school at age 18. But is it that simple? Mischel and others have looked at some of the other variables that interact with how the ability to delay gratification predicts later success in life.
Summary of research on delayed gratification - brings in the variable of sensitivity to rejection, which appears to interact with the ability to delay gratification. Also mentions influence of parenting style.
"Personality traits observed in childhood are a strong predictor of adult behavior,"
Blog describing some of the difficulties with research in the past that tries to relate musical preferences to personality.
Big-5 Personality test, readings, research in personality
Discusses the difficulties in defining and differentiating between temperament and personality (from Big-5 Personality Project web site)
Big 5 personality test, on Personality Project website
Finds positive correlations of utilitarian moral judgments with psychopathy, Machiavellianism, and low meaningfulness of life.
Do introverts respond more strongly to arousing stimuli (like lemon juice and social contact) than extraverts? This describes a study you can do.
Scale for self-evaluation of tendency towards perfectionism on six separate scales (components of perfectionism).
Dissects narcissism and the personality characteristics of "The Dark Triad." Neither is simple.
A fun graphic - how does your state rank on the "Big 5" personality traits (openness, conscientiousness extraversion, agreeableness, neuroticism)?
Kind of superficial overview
Based on one study, introverts use more concrete, specific language in describing social situations, whereas extraverts use more vague, general language.