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message regarding variables converted into numerical/string charachters what to do?

  1. #1

    message regarding variables converted into numerical/string charachters what to do?

    Hi empirisoft,

    I am programming a straightforward questionnaire using MediaLab. Now, when I run some of the conditions, once the experiment is over, I get several messages saying approximatey:
    • “variable XXX contains numerical characters but is stored as a string. The values will be stored in SPSS as string values.
    • variable XXX string characters but is stored as a numerical. The values will be stored in SPSS as numerical values. Non-numerical values may be lost in the conversion.”
    The baffling thing is that this happens to conditions where I changed nothing and where there was previously no such message. Yesterday night this appeared for 2 out of 10 conditions and this morning for 8 out of 10! I have checked the boxed ticked for each variable (text for essays, but not for scales) and all seems in order.

    Why does this happen? How do I prevent the message from occuring? Can I collect data in spite of the message (is the data OK)? The study starts Tuesday next week, so if you have a remedy I would be very grateful!

    Thank you in advance,

    Liselott Pettersonm INSEAD

  2. #2
    Hello Liselott,

    You may want to try seeing if these threads help:
    http://www.empirisoft.com/Support/showthread.php?t=224
    http://empirisoft.com/support/showthread.php?t=201

    Regards,
    Trevor