Tabulation of multiple responses
Ben Jann
ETH Zurich, Switzerland
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Abstract. Although multiple-response questions are quite common in survey research,
Stata’s official release does not provide much capability for an
effective analysis of multiple-response variables. For example, in a study
on drug addiction an interview question might be, “Which substances
did you consume during the last four weeks?” The respondents just list
all the drugs they took, if any; e.g., an answer could be “cannabis,
cocaine, heroin” or “ecstasy, cannabis” or
“none”, etc. Usually, the responses to such questions are stored
as a set of variables and, therefore, cannot be easily tabulated. I will
address this issue here and present a new module to compute one- and two-way
tables of multiple responses. The module supports several types of data
structure, provides significance tests, and offers various options to
control the computation and display of the results. In addition, tools to
create graphs of multiple-response distributions are presented.
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Ben Jann
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mrtab, mrgraph, _mrsvmat, multiple responses, multiple testing, tabulate
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