What 3 types of data did cattell describe? (self report measures)
L data, t data and Q data
Whats L-data?
Life data (or L-data),
meaning the individuals actual, everyday behavior in the real world
e.g. grades, number of traffic accidents, amount of soap used per week daY
whats T data?
Experimental data (or T-data) i.e. results of standardised experimental tests designed to objectively measure personality traits,
e.g. number of errors in completing a maze as a measure of impulsivity
Whats Q data?
Questionnaire data (or Q-data), introspection on our own beliefs, feelings and actions which are captured using responses to structured questions