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Is it possible to calculate sub scales ?
- guskorte
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10 years 2 weeks ago #107192
by guskorte
Is it possible to calculate sub scales ? was created by guskorte
I will apply a questionnaire with 75 items.
Suppose that I have 15 sub-scales of 5 items each.
Question I) In order to calculate the value of sub-scaleA I need the average of 5 items.
Can I use this formula? (==SUM(item1,item2, item10, item 25, item65)/5)?
If not how can I do it?
Question II) Would it be possible to use the same expressions used in the SPSS statistical software?? Is there any plug in that I can use in order to import it into Lime survey??
Question III) Let's say I have the average of the group and the total population, how can I make chart comparing the results at the end of the test to the participant??
For example: I have 15 subscales and I have to compare each subscale with the average of the group?!?
How to do it?
I am planning to use it for my PhD study.
Thanks
Gustavo
Suppose that I have 15 sub-scales of 5 items each.
Question I) In order to calculate the value of sub-scaleA I need the average of 5 items.
Can I use this formula? (==SUM(item1,item2, item10, item 25, item65)/5)?
If not how can I do it?
Question II) Would it be possible to use the same expressions used in the SPSS statistical software?? Is there any plug in that I can use in order to import it into Lime survey??
Question III) Let's say I have the average of the group and the total population, how can I make chart comparing the results at the end of the test to the participant??
For example: I have 15 subscales and I have to compare each subscale with the average of the group?!?
How to do it?
I am planning to use it for my PhD study.
Thanks
Gustavo
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- DenisChenu
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10 years 2 weeks ago #107197
by DenisChenu
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member, professional service on demand , plugin development .
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Replied by DenisChenu on topic Is it possible to calculate sub scales ?
Question I:
I think you can use that in another Equation question type.
manual.limesurvey.org/Expression_Manager....27that.27_variables
{sum(that.sq_QX.NAOK)/15} for X axis sum
{sum(that.sq_QY.NAOK)/5} for Y axis sum
for example
I think you can use that in another Equation question type.
manual.limesurvey.org/Expression_Manager....27that.27_variables
{sum(that.sq_QX.NAOK)/15} for X axis sum
{sum(that.sq_QY.NAOK)/5} for Y axis sum
for example
Assistance on LimeSurvey forum and LimeSurvey core development are on my free time.
I'm not a LimeSurvey GmbH member, professional service on demand , plugin development .
I don't answer to private message.
The topic has been locked.
- tpartner
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10 years 2 weeks ago #107205
by tpartner
Cheers,
Tony Partner
Solutions, code and workarounds presented in these forums are given without any warranty, implied or otherwise.
Replied by tpartner on topic Is it possible to calculate sub scales ?
Question II:
No, you cannot use SPSS syntax - see Expression Manager for allowed syntax.
Question III:
You can use Expression Manager to pipe values into your table - manual.limesurvey.org/Expression_Manager#Tailoring.2FPiping .
.
No, you cannot use SPSS syntax - see Expression Manager for allowed syntax.
Question III:
You can use Expression Manager to pipe values into your table - manual.limesurvey.org/Expression_Manager#Tailoring.2FPiping .
.
Cheers,
Tony Partner
Solutions, code and workarounds presented in these forums are given without any warranty, implied or otherwise.
The topic has been locked.