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Raymond Cattell bio
1905-1998
goal: predict how a person might respond or behave
factor analysis
a stats technique looking for correlations between several measures to look for commonalities
Factors (aka traits)
reaction tendencies derived by factor analysis
ways of classifying traits
16 source traits
Heredity and Environment
cattel focused on influences of heredity and environment in shaping personality
method- statistically compare twins and siblings in different rearing siuations
findings- one/third of personality is genetically based & two/thirds is determined by social and environmental influences
Stages of personality development
assessment in Cattell’s theory
L- data (life records)
Q- data (questionare)
T- data (personality test)
16 personality factor (PF) test
L- data (life records)
life record ratings of behaviors observed in real- life situations
Q- data (questionare)
self- report questionare ratings of one’s characteristics, attitudes, and interests
T- data (personality test)
data derived from personality tests resistant to faking
16 personality factor (PF) test
to assess personality for research, clinical diagnosis, and job success prediction
studies have shown that the 16 PF test:
can predict marital stability
can be faked if you want to present yourself in a better light
can be used in many cultures
some source traits are primarily inherited while others are determined primarily by environmental influences
can be used for research, clinical diagnosis, and predicting success on the job
Note 
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