Not influenced by personal feelings or opinions in considering and representing facts
Concept
“an abstract formed by generalization from particulars”.
Abstracts are hard to define
construct
a concept with scientific purpose (i.e., operationalized). Can be measured and studied. Often cannot be directly observed hence we create items or procedures to measure them
Variable
Any condition, event, characteristic, or attribute that can take on different values at different times or with different people
Displays scores on a variable to reflect how frequently each value is obtained. A classification of data which helps in understanding important features