Personality traits
Differences among individuals in a typical tendency to behave, think, or feel in some conceptually related ways, across a variety of relevant situations and across some fairly long period of time
Structured personality inventories
Individuals given predetermined set of options for responding to items of test
Negative keying/reverse coding
Many items suggest opposite of trait in question
Strategies of Personality Inventory Construction
Empirical strategy
Writing down large number of items describing variety of actions, thoughts, and feelings and items asking for ratings on characteristics
Factor-analytic strategy
Starts with large and diverse pool of items
-> items are grouped, each group measuring a different trait
Rational Strategy
Items written specifically for purpose of traits being measured
Big Five inventory
Short measure of Big Five (OCEAN)
NEO-PI-R
Developed to measure 5 major dimensions of personality
Self-serving bias
Putting yourself in a good light (or bad light) on purpose in assessment
Observer bias
Bias in observer report trying to make the subject appear in certain way
Projective Tests
Tests with unstructured responses
Factor analysis
Categorizing variables into groups according to correlations between them
Lexical approach
Full list of personality-descriptive adjectives in a language is considered to administer a complete list of relevant personality traits
Extraversion
includes: talkativeness, liveliness, outgoingness vs shyness, quietness, and passivity
Agreeableness
includes: seeking harmonious relationships and interactions, willingness to compromise etc.
Conscientiousness
includes: orgnaization, discipline, thoroughness, sloppiness, laziness, unreliability
Emotional Stability (v Neuroticism)
includes: relaxedness vs moodiness, anxiety, touchiness
Openness to Experience
Intellect/Imagination
includes: philosophicalness, complexity, creativity vs shallowness and conventionality
Big Five
Openness to Experience Conscientiousness Extraversion Agreeableness Neuroticism
HEXACO personality factors
Big Five + Honesty-Humility
Emotionality for Neuroticism
-> based on lexical study (languages)
Common Personality Types
Problem with categorizing into personality types
Combinations not commong, but the categories are based on combinations
-behavior prediction less accurate than when just Big Five used
Resilient Type
Well-adjusted
low levels of neuroticism (high emotional stability)
High levels on other 4 Big Five factors