Raymond Cattell developed a taxonomy consisting of how many personality traits?

16 personality traits.

Cattell's personality assessment tool, known as the 16PF, is primarily used in which fields?

Career counseling, marital counseling, and personnel selection in business.

What are the three data sources Cattell used to gather information on personality traits?

L-data (life record data), Q-data (questionnaire-based self-reports), and T-data (objective test data).

Fill in the blank: Cattell believed that personality could be studied scientifically, contrary to the views of ___ who focused on only two or three behavioral dimensions.

Eysenck

True or False: Cattell considered surface traits to be more important than source traits in understanding personality.

False. Cattell regarded source traits as more important.

What method did Cattell use to analyze personality data and identify behavioral patterns?

Factor analysis.

Riddle: I can be both observed and tested, but I hide beneath the surface. What am I?

Source traits.

How many questions are in the 16PF Personality Questionnaire, and how are they distributed across the personality factors?

There are 160 questions, with ten questions dedicated to each of the 16 personality factors.

Cattell's personality traits are assessed through forced-choice questions. What does this mean?

Respondents must choose one option from three alternatives for each question.

Fill in the blank: Cattell's work was influenced by his collaboration with ___, known for pioneering work in statistics.

Charles Spearman

What is the primary objective of the 16PF in the context of clinical diagnosis?

To assess anxiety, adjustment, and behavioral problems.

True or False: The 16PF Personality Questionnaire is primarily intended for professional medical diagnosis.

False. It is for educational purposes and should not substitute for professional advice.

What distinguishes surface traits from source traits in Cattell's theory?

Surface traits are easily observable, while source traits are less apparent and influence multiple behaviors.