Personality Controversies Flashcards
What is personality thought to be an interaction between? (3)
a) Evolution
b) Genetics
c) Environment
How does the Phineas Gage case provide evidence for a biological approach to personality?
Frontal damage = loss of self control and executive functions
What does Phineas Gage case provide evidence for?
Biological approach to personality
Buss - Natural Selection in personality development
Proposed NS plays a role
Sometimes forced to change more quickly e.g. Christchurch earthquakes
Why might personality be changed to force more quickly?
Due to circumstance
What does Buss’s theory provide support?
Biological approach to personality
If personality is subject to change by NS, which traits will thrive?
Agreeableness, sociability etc
If the world remains a social environment
Which Psychologists were strong genetic-basis advocates?
Cattell, Eysenck and Goldberg
Where does the most convincing genetic evidence for personality come from?
Twin studies
What do twin studies of personality strive to find?
Evidence that MZ twins are more alike than DZ twins
Both are more alike than non twins
Loehlin & Nicholas investigated some of the Big 5 characteristics across twins…
25% shared variance in identical twins
Identical twins are more SIMILAR than non-identical twins in…
General abilities, e.g. intelligence
Identical twins are less similar in terms of…
Goals and interests
These are shaped by environment
Why might investigations into MZ twin similarities not be 100% representative?
MZ twins may be TREATED as more alike, affecting their personality via environmental route
Three pieces of evidence/theory to support a biological background for personality?
1) Phineas Gage
2) Natural selection (Buss)
3) Twin studies
What are 4 Psychosocial approaches/theories for personality?
1) Psychoanalytic
2) Humanist
3) Behaviourist
4) Socio-cognitive
Example of a Psych-analytic theory?
Freud
Interplay between id, ego and superego
Humanist theory
We are CREATIVE EXPERIENCERS of the world
Humanist theories are more _____ than Freudian theories
Optimistic
The humanist theory assumes that we are governed by…
Interactions and less so by fatalistic mechanisms