This document discusses measurement and data presentation in research. It defines key terms like variables, attributes, and different types of variables. It also discusses scaling techniques used to assign numerical values to variables, including nominal, ordinal, interval, and ratio scales. Common scaling methods like Likert scales, Thurstone scales, Bogardus social distance scales, and Guttman scaling are explained. The document also covers classifying and tabulating data through coding, classification into categories and tables, and constructing frequency distributions. It concludes with providing a checklist for writing good research reports.