Why are psychologists concerned with human biology?
Research Methods in Psychology September 21, 2017 Chapter 5: Identifying Good Measurement Ways to measure variables can be defined conceptually and operationally. 3 types of measurement: o selfreport measures variables are operationalized through asking a participant to answer questions about themselves o observational measures variables are operationalized in terms of observable behaviors these measures require an additional party to provide data observers can be researchers, family and friends, teachers, etc. o physiological measures variables are operationalized by recordi