Questionnaire design doubt

[Nikita Singh Dahiya]

Dear All,

I hope this message finds you well. I am currently working on my research and have prepared a questionnaire that includes 5 variables with 13 sub-variables. Based on previous studies, it is recommended to keep at least 3 statements under each sub-variable.

However, if I follow this approach, the total number of statements comes to 64 (as I have 2 sections, each containing 32 statements), which makes the questionnaire quite lengthy.

My concern is: What if I include only 2 statements under each sub-variable instead of 3? Will this affect the reliability/validity of the study, or would it still be acceptable? I would greatly appreciate your suggestions and guidance on this matter.

Thank you very much for your time and support.

[Neeraj Kaushik]

Dear Nikita

For determining the number of statements per construct, it's important to consider the software you're using. SmartPLS is quite flexible and can work with constructs that have even just one item. However, if you are using AMOS, it generally prefers at least three items per construct, although you can still work with two.

But the decision on the number of items should be driven by the validity and reliability of your constructs, rather than solely by the software's capabilities. Ensuring your measurements are robust will be key to the quality of your study.

Best wishes

Neeraj 

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[Prachi Agarwal]

Sir can you please share any paper on same which states that pls can work with 1 statement...so that we can support this while writing and  cite that paper in reference...

Best Regards,
PRACHI AGARWAL
Doctoral Scholar

linkedin.com/in/prachi-agarwal-95171a239

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[Neeraj Kaushik]

https://link.springer.com/content/pdf/10.1007/s11747-011-0300-3.pdf

https://temme.wiwi.uni-wuppertal.de/fileadmin/_migrated/content_uploads/fuchs_diamantopoulos_2009.pdf

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