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Questions and Answers
What is the purpose of factor analysis?
What is the purpose of factor analysis?
- To identify surface traits in personality tests
- To measure unique variance in personality dimensions
- To increase redundancy in a set of intercorrelated scores
- To reduce redundancy in a set of intercorrelated scores (correct)
What is the Principal-Components Method used for in factor analysis?
What is the Principal-Components Method used for in factor analysis?
- Measuring the unique variance in personality dimensions
- Identifying surface traits in personality tests
- Finding the minimum number of common factors that can account for an interrelated set of scores (correct)
- Increasing redundancy in a set of intercorrelated scores
What was Guilford's factor analytic approach focused on?
What was Guilford's factor analytic approach focused on?
- Identifying surface traits in personality tests
- Identifying the underlying dimensions of personality by analyzing interrelationships among various personality tests (correct)
- Measuring unique variance in personality dimensions
- Increasing redundancy in a set of intercorrelated scores
What did Cattell's Source Traits represent?
What did Cattell's Source Traits represent?
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What is the NEO PI-R most important in evaluating?
What is the NEO PI-R most important in evaluating?
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What does the extroversion (E) domain of the NEO PI-R measure?
What does the extroversion (E) domain of the NEO PI-R measure?
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How many facets are identified within the openness (O) domain of the NEO PI-R?
How many facets are identified within the openness (O) domain of the NEO PI-R?
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What is the range of the Likert format used in the NEO PI-R?
What is the range of the Likert format used in the NEO PI-R?
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Study Notes
Factor Analysis
- Factor analysis is a statistical method used to reduce a large set of variables into a smaller set of underlying factors that summarize the data.
Principal-Components Method
- The Principal-Components Method is a type of factor analysis used to extract the most important information from a large dataset and condense it into a smaller set of factors.
Guilford's Factor Analytic Approach
- Guilford's factor analytic approach focused on identifying the structure of cognitive abilities, particularly in the area of intelligence.
Cattell's Source Traits
- Cattell's Source Traits represented the underlying, stable aspects of personality that are relatively enduring and resistant to change.
NEO PI-R
- The NEO PI-R is a personality inventory used to evaluate individual differences in personality across six domains: neuroticism, extroversion, openness, agreeableness, conscientiousness, and honesty-humility.
NEO PI-R: Extroversion (E) Domain
- The extroversion (E) domain of the NEO PI-R measures aspects of personality such as Assertiveness, Excitement-seeking, Anger, Activity, and Gregariousness.
NEO PI-R: Openness (O) Domain
- The openness (O) domain of the NEO PI-R comprises six facets: Fantasy, Aesthetics, Feelings, Actions, Ideas, and Values.
NEO PI-R: Likert Format
- The NEO PI-R uses a 5-point Likert format, ranging from "Strongly Disagree" to "Strongly Agree", to measure an individual's level of agreement with a particular statement.
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