L7:
What are the learning objectives for personality lecture 1: Introduction to personality
L7:
What are the definitions personality?
The definitions are not always consistent
Oxford English Dictionary
- “The combination of characteristics or qualities that form an individual’s distinctive character”
American Psychological Association
- “Individual differences in characteristic patterns of thinking, feeling and behaving”
Note: the focus of each is different (sum vs parts), and we need to be able to hold both in mind
L7:
Explain why our drive for cognitive consistency means that we strive to identify personality in other people
Human beings like predictability, allows us to plan and commit resources. But we also like some variability, within predictable limits and in the right context.
So we apply cognitive consistency to how we understand the individual.
We attribute people’s beliefs/moods/behaviours to personality or to the situation or a combination
e.g., if I cannot quite get my head around the Brexit result, I think about people having the ‘wrong’ attitudes, having the ‘wrong’ information, or both (all of which tells you something about my personality)
L7:
Why do we study personality?
Two broad perspectives:
L7:
What is missing from the definitions of personality presented?
Consistency, regardless of situation
How do we cope with inconsistency?
L7:
Temperament vs personality
L7:
Outline some differences in different methods of measuring personality
It is safe to say that there is a lot of literature on measurement of personality… bigger focus on what to measure rather than how
But the measures are not based on functions and models that are identical (or even similar)
• some are based around normal function
• others are around understanding problematic function
Some are driven more by history than by evidence
Trade off between precision (accuracy) and utility (worth, how useful it is)
Some are huge and have lots of proposed dimensions of personality
• e.g., the Minnesota Multiphasic Personality Inventory
• version 2 has 567 items, will probably take you two hours to complete (has 15 scales)
Others are much shorter
• e.g., 10 items used to measure 5 personality dimensions
The optimum length is probably somewhere in between…
L7:
Problems with the measurement of personality
L7:
Role of factor analysis
Factor analysis: Method that combs through data to find which factors “account for the most variance” in the data.
> Factor analysis is a measurement of psychological ‘space’
> Most measures of personality are based on the results of such analyses
> But factor analysis depends on what we put into it, and how we interpret what comes out
- so, we can bias the findings by asking only about features that interest us, and by interpreting according to our own personalities
L7:
Name some different measures of personality
Personality Types (assumed to be changeable) - ‘Type A/B’
Personality Traits (assumed to be immutable)
- MMPI - Cattell - Eysenck (‘Great 3’) - Myers-Briggs - Big Five (next week)
How do we assess which is best?
- Utility and predictive power
L7:
Personality types (A and B)
Usually derived from experience, and with clinical or practical implications in a limited field
> Type A personality (vs Type B)
• Type A - competitive, outgoing, ambitious, impatient, aggressive
• Type B – relaxed, calm, unflapping
Why does this difference matter?
• Type A men are more likely to develop cardiac problems than type B, but that difference is not found among women
L7:
Trait Models and Related Measures
Multi-dimensional models
Multi-dimensional models
- Measure a relatively large number of traits (do not need to learn them all)
e.g.
Minnesota Multiphasic Personality Inventory (MMPI)
• Originally designed to allow us to label people with psychological problems
- leans towards difficulties rather than strengths
• 15 different dimensions (e.g., Anxiety; Social discomfort; Anger)
• A lot of questions per dimension (567 in all)
• Widely used, without always being clear why
- e.g., insurance companies in some US states demand an MMPI is done before treatment can be approved for payment
Some of these measures have true/false responses - appropriate? Out of date terms? Results compared against a ‘normal’ range of responses
L7:
Personality types (C and D)
Types with less evidence of utility
The following two are hypothesised to be important, but with less evidence that they have practical consequences/correlates
> Type C personality
• Detail oriented; unassertive; suppresses wants, needs and desires
• Appears unemotional, but suppressing anger
• Suggested link to development of cancers?
- evidence is rather equivocal, but getting more convincing
> Type D?
• Negative outlook on life, fear of rejection, prone to depression
• Not clear that this has health implications
L7:
Trait Models and Related Measures
Cattell 16PF
Less linked to psychological problems
Similar approach – a lot of items, subjected to factor analysis
Ended up with 16 personality factors
- e.g., warmth, reasoning, conscientiousness, sensitivity
However, the 16 traits have never been replicated
- e.g., Howarth and Brown (1971)
Further analysis has shown that there is a better 5-factor model
- see next week
L7:
Trait Models and Related Measures
Eysenck’s three-factor model
Eysenck Three Factor Model
Suggested that there are only three factors
- suggested to be linked to brain function very closely (temperament)
Case study:
Hans Eysenck always used to claim that he scored at the middle point of all three of his scales. Anyone who met him might have had their doubts…
L7:
Trait Models and Related Measures
Myers-Briggs
Myers-Briggs
Four components, presented as dichotomies that sum up to personality types
- not always clear that yes/no is the best way to split these scales
The combinations are presented as one of 16 personality types
- e.g., INTJ = mastermind; ESFP = performer; ISTP = crafter
L7:
What is the most current view of personality measurement?
The Big Five
L8:
What are the Learning Objectives for Lecture 8: The Big Five?
(Five factor model)
L7:
Summary of Lecture 7
Key Points
• Defined personality in terms of stable, situation-independent patterns of attitudes, behaviours, emotions, etc.
- trait rather than state
L8:
History of the FFM
L8:
What makes a measure of personality trustworthy?
L8:
What were the problems with the measures of personality before the FFM was proposed?
Problems with earlier models of personality?
Goldberg et al. (1980); Saville & Holdsworth (1984)
• Came up with a very similar pattern of five factors
- repeated many times since
• Good correlations with patterns of behaviour
- e.g., whether one smokes or not
• Good correlations with individual behaviours when under stress
- e.g., whether one drinks when there is pressure
L8:
Outline the Big Five
OCEAN
Openness to experience • Intellectual curiosity • Emotionally open • Creative • Aware of feelings • Hold unconventional beliefs
Conscientiousness • Self-discipline • Strive for externally-validated achievement - e.g., marks; approval • Regulate impulses • Planful rather than spontaneous
Research note
• Rises in young adulthood
• Declines in later years
Extraversion • Lots of activities - not done in depth • Engages with outside world • Lots of interaction with others • Action-oriented • Talkative • Assertive
Research note
• Those who are more extravert are also likely to be happier
• Possibly because they do more activities and mix more, so have more opportunity for positive reinforcement
Agreeableness • Focus on social harmony • Considerate • Trusting and trustworthy • Optimistic • Make compromises
Research note
• Agreeable people are more likely to get on with team members
• Seen as ‘transformational’ leaders
Neuroticism • Experience of negative emotions - anger, anxiety, depression • Low stress tolerance • Reactive to emotion • Perceive threat and frustration • Higher levels of biological reactivity - skin conductance
Research note
• Strong links to psychological distress and work stress
L8:
What do we know about the five factors