PSYB04H3 Lecture Notes - Lecture 5: Positron Emission Tomography, Extraversion And Introversion, Operational Definition
Document Summary
Measurement in psychology: depends on the way a variable is operationalized (turning an interest into a measured variable) Do you agree with the statement , report their income as a range, report if you are male or female, 10-point ladder of life scale. The problem of psychological constructs: construct: (usually) complex concept that can"t be measured directly i. e. intelligence, introversion, self-esteem, culture, teamwork. Ways of measuring psychological variables: self-report. Can be paper-and- pencil questionnaire, interview, or combination. Rely on memory: observational (behavioural) measures what was observed and how: and honesty. Imp to know the questions asked i. e. adult attachment style. Participants may or may not be aware. Reports of others: psychological measures: recording biological data. Brain imaging: mri, fmri, eeg, pet scan, cat scan. Levels of measurement highest level possible should be used (below categories are in order of lowest to highest levels: nominal: in name only .
