investigate questionnaire design principles; for example, simple language, unambiguous questions, consideration of number of choices, issues of privacy and ethics, and freedom from bias
ACMEM134
describe the faults in the collection of data process
ACMEM135
describe sources of error in surveys; for example, sampling error and measurement error
ACMEM137
investigate errors and misrepresentation in surveys, including examples of media misrepresentations of surveys
