2. Sociological Investigation Flashcards
science
a logical system that bases knowledge on direct, systematic observation
empirical evidence
information we can verify with our senses
positivist sociology
the study of society based on systematic observation of social behavior
concept
a mental construct that represents some part of the world in a simplified form
variable
a concept whose value changes from case to case
measurement
a procedure for determining the value of a variable in a specific case
operationalize a variable
specifying exactly what is to be measured before assigning a value to a variable
reliability
consistency in measurement
validity
actually measuring exactly what you intend to measure
cause and effect
a relationship in which change in one variable causes change in another
independent variable
the variable that causes the change
dependent variable
the variable that changes
correlation
a relationship in which two (or more) variables change together
spurious correlation
an apparent but false relationship between two (or more) variables that is caused by some other variable
control
holding constant all variables except one in order to see clearly the effect of that variable