Quanvert is one system for all your surveys, because it can process information in many different forms. As well as being able to work with simple categoric data, where codes represent the responses given, Quanvert is designed to manipulate numeric information (e.g. quantities), textual variables (e.g. names and addresses) and audio variables (e.g. voice recorded responses).
Quanvert handles many different types of variables to reflect the different question types from your survey. Variable symbols displayed together with the variable names makes it easy to identify the types, and there's a key to remind you what all the symbols mean.
Categoric variables
A categoric variable is based on a question that has a pre-defined set
of answers. Quanvert stores the text of the question, the possible answers,
and the number of respondents giving those answers.
Categoric variables can be single-coded, refering to questions where each respondent can only choose one answer from a pre-defined list of responses, or multi-coded, where any number of answers can be chosen from the list.
You can use categoric variables to form the rows and/or columns of a table, or to define a filter, where you wish to restrict your analysis to only those respondents who match certain criteria.
Grid variables
A grid variable contains both row and column information. It corresponds
to a table or chart on a printed questionnaire in which the interviewer
marks the responses given. Rating scales are often shown in this way,
as are groups of questions that share the same response list.
You can use a whole grid variable by itself to form the rows and columns
of a table, or you may choose a single row or column of the grid to form
just the row or column of a table. You may also select respondents that
appear in any cell of a grid, to form the base for another table.
Quanvert allows you to analyze different types of questions as variables - closed questions where you choose from a list of several responses (categoric), numeric questions, grid questions which contain both row and column information (grids) and open-ended questions. This example shows a grid question and the related grid variable 'rates'.
Numeric variables
A numeric variable corresponds to a question that has a numeric answer,
and contains one number for each respondent who answers the question.
A numeric variable can be used as the rows or columns of a table, in which
case Quanvert will automatically allocate ranges. However, the user can
easily specify their own. You can use numeric variables as filters for
tables, or increment the cells of a table by the values of a numeric variable,
for example, the total number of cars owned by respondents in each region
of the country.
Alpha variables
An alpha variable stores the actual wording for the responses to a text
only question.
The respondent's exact answer is recorded and stored in an alpha variable. One common use of alpha variables is for storing names and addresses that could be used to create mailing lists. Another would be to store verbatim responses. Alpha variables can also be used as filters.
Audio variables
Now that many PC's have sound cards, Quanvert allows you to store variables
in the form of sound files (*.wav). For example, say Q1 is 'Why did you
choose that particular resort for your skiing holiday last year?' The
open-ended response could have been recorded with a microphone, rather
than typed. Audio variables behave similar to alpha variables, and you
are able to hear the exact response that was given to a question. You
can select audio responses only for particular sets of respondents.
For example, only those who chose a resort in France, or only those who
were expert skiers.
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