Chapter 5: Personality Dispositions Over Time (stability/coherence/change) Flashcards
what is personality development
the continuities, consistencies and stabilities in people over time AND the ways in which people change over time –> stability and change
what are the three most important forms of stability
- rank order stability
- mean level stability
- personality coherence
what is rank order stability
the maintenance of individual position within a group (e.g. maintaining position of extraversion relative to others over time) –> commonly looked at through test-retest correlations
what is rank order change
if people fail to maintain their rank order and there is instability
what is mean level stability
if the average level of personality stays the same over time (versus mean level change)
describe the concept of personality coherence
manifestations of a given trait might change over time –> e.g. disagreeableness as a child might manifest as tantrums, while in adulthood it manifests as short temper
what are the two defining qualities of personality change
change is internal to the person and changes are relatively enduring over time
what are the three levels of analysis for looking at personality stability
- population as a hole
- group differences within the population
- individual differences within groups
what is a popular theory that looks a personality on the population level
Freud’s psychosexual theories –> thought to apply to EVERYONE equally (changes and consequences are all the same)
describe the group differences level of personality
some changes over time affect different group of people differently (e.g. depending on sex, cultural/ethnic differences) –> e.g. European Canadians are higher in externalizing behaviours and thus at greater risk of developing ADHD (compared to Asian Canadians)
what is temperament
the individual differences that emerge in infancy, are likely to have a heritable basis, and are often involved with emotionality or arousibility
describe Rothbart’s six factors of temperament
- activity level
- smiling and laughter
- fear (approach/avoidance)
- distress to limitations
- soothability
- duration of orienting
–> high correlations over time (stable), especially towards the end of infancy (9-12 months)
what are some limitations of the studies showing stability in temperament across infancy
caregivers may have developed certain conceptions of their infants (might not actually be behaviours staying consistent)
what four important points are outlined by studies showing consistency in temperament across infancy
- stable individual differences emerge early in life
- for most temperament variables there are moderate levels of stability over the first year of life
- stability of temperament tends to be higher over short intervals of time than over long intervals of time
- level of stability of temperament tends to increase as infants mature
what is an actometer
- recording device attached to the wrists of children during play period –> records motoric movement
- these remain stable in childhood (between age 3 and 4)
- high validity coefficients between the actometer and questionnaire measures
what are stability coefficients
correlations between the same measures obtained at two different points in time (also called test-retest reliability coefficients) –> the further apart measures are taken, the lower the stability coefficient
what are validity coefficients
correlations between different measures of the same trait obtained at the same time
describe the stability of aggression across development
- individual differences in aggression emerge very early in life
- individuals retain their rank order stability on aggression to a substantial degree over the years
- similar trends with other personality traits –> children high in a particular trait remain high on it over time
describe the stability in status as a bully and victim in childhood
majority of children receive the same classification (of a bully, victim, or neither) a year later at a different school –> people classified as bullies are more likely to become juvenile delinquents in adolescence and criminals in adulthood
what traits do bullies tend to score more highly on
- extraversion, neuroticism and psychoticism (on the Eysenck scale)
- more outgoing/gregarious, emotionally volatile/anxious, impulsive and lacking in empathy
- linked to conflicts at home
how stable are personality traits in adulthood (rank order stability)
- most big 5 traits show moderate to high levels of stability in adulthood –> self-reported, spouse ratings, peer ratings, etc., shown across different populations and investigators
- other traits (self-esteem, self-confidence, interpersonal empathy) also seen very consistent over time
what 2 results were found in Roberts & DelVecchaio’s study on when personality trait consistency peaks (rank order stability)
- personality consistency tends to increase with age (.47 in adolescence, .57 in 20s, .62 in 30s)
- peaks during the fifties (.75)!
how stable are personality traits in adulthood (mean level stability)
- big 5 shows mean level stability over time
- after age 50, there is little change in average stability in the big 5
- there are some small but consistent changes in traits