Summary
Contents
This guide explains how social scientists can evaluate the reliability and validity of empirical measurements, discussing the three basic types of validity: criterion related, content, and construct. In addition, the paper shows how reliability is assessed by the retest method, alternative-forms procedure, split-halves approach, and internal consistency method.
Introduction
Introduction
Definition of Measurement
The notion that measurement is crucial to science seems a commonplace and unexceptional observation. Most book-length treatments of the philosophy of science include a discussion of the topic. And books focusing on research methods invariably have a chapter dealing with the problems associated with ...