Sawtooth Software: The Survey Software of Choice

Ci3 Tech

This article contains tips and suggestions for using Ci3.

Notes on the Ci3 Coder

One of the nice features of the Ci3 CODER is the ability to start coding openends for a study even before the study is completed. The default option for creating a coding file is to only include data not yet previously put in a coding file. If you put data from the first wave into a coding file, you don't have to worry about duplicate data or effort once the second wave of data comes in. Simply accumulate the second wave of data into your main data file, and then run the Prepare Coding Files option. Only the data from the second wave will be put in the new coding files.

Customizable Buttons in Version 2

Windows interviews for Version 2 can include clickable buttons at the bottom of the screen, such as Next, Previous and Help. If you don't like the words we put on the buttons, you can change them. Users who conduct interviews in languages other than English have found this invaluable. But even if your interview is in English, you still may want to customize.

For example, if you'd prefer to use "Go Back" instead of "Previous," you could use the following commands in the "pre-questionnaire" section:

INTERNAT
     PREVIOUS=&Go Back
ENDINTER

The "&" symbol tells Ci3 to make the letter "G" the hot key (and to underline the letter) which bypasses the mouse.

IF Logic for Multiple Response Questions

For questions with multiple responses, the IF logic evaluates all the answers. For example, for a SELECT-type question named BRANDS, the statement:

IF  (BRANDS  =  5)

will check all the responses to the BRANDS question to see if 5 was answered. This same feature can lead to some confusion as well. If you have the statement:

IF  (BRANDS  ‹›  5)

and intend to determine if 5 wasn't mentioned, this logic won't work. IF (BRANDS ‹› 5) checks to see if any of the responses to the multi-part question BRANDS are not equal to 5. So if a respondent chose items 1, 5, and 2, this statement would look at the first response (1), see that it isn't equal to 5, and the above statement would be true. To determine if 5 wasn't mentioned, you should use the following logic:

FLAG  =  0
IF  (BRANDS  =  5)  FLAG  =  1
IF  (FLAG  =  0) ....etc.

Direct Link with SPSS(TM)/WinCross(TM)

In Version 2, two of our export options automatically include question text and value labels in the resulting data file. [The other options output this information to a labels file.]

Take the following Ci3 question, for example:

LIST  GLIST
  North
  South
  East
  West
ENDLIST

Q:  GEOGRAPH
T:
Where do you live?
I:
SHOWLIST  GLIST  10  30  16  2
LOC  10  4  2
SELECT  4  1  1  0

In Ci3, we select the SPSS for Windows EXPORT option and check the "Export Labels" box. The following output from SPSS shows that the question text and value labels are automatically included. (We asked for a "Frequencies" output in this example.)

01 Jun 97 SPSS for MS WINDOWS Release 6.0          Page 1

File:     test

GEOGRAPH  Where do you live?

                                        Valid     Cum
Value Label Value  Frequency  Percent  Percent  Percent

North           1        10     50.0     50.0     50.0
South           2         3     15.0     15.0     65.0
East            3         5     25.0     25.0     90.0
West            4         2     10.0     10.0    100.0
                             -------  -------  -------
                     Total        20    100.0    100.0

Valid cases  20  Missing cases  0

Ranking Questions in Version 2

Several users have seen the "ranking" question in our Windows demo for Version 2 and have asked how we programmed it. This is accomplished simply by including a DELETE (DLA) instruction prior to a SELECT instruction. For example:

LOC  6  6  1
DLA
SELECT  6  6  6  0

When the respondent clicks the first item in the list a "1" will be placed in the box next to that item. After ranking another item, a "2" is put in the box next to the second item selected, and so on, until after the fifth item is selected. A "6" is automatically put in the box next to the remaining item not yet selected.