Following its success in election polling and market research, survey methodology expanded into academic fields like sociology and public health before becoming prominent in psychology during the $1930$s. Psychologists advanced questionnaire design by developing tools like the Likert scale and applied survey methods to study social psychological phenomena such as attitudes, prejudice, and stereotypes. Furthermore, early attitude researchers pioneered the use of larger and more diverse samples, moving beyond the convenience samples of university students that were typically used in the field.