
GLOSSARY
Construct validity
A construct is a theoretically derived notion of the domain(s) we wish to measure. An understanding of the construct will lead to expectations about...
Continue readingA construct is a theoretically derived notion of the domain(s) we wish to measure. An understanding of the construct will lead to expectations about how an instrument should behave if it is valid. Construct validity therefore involves comparisons between measures and examination of the logical relationships, which should exist between a measure and characteristics of patients and patient groups.