CIE PSYCHOLOGY help needed urgent!

[simply adorable]

what difficulties do psychologists have when collecting quantitative and qualitative data?

 

[xxfarhaxx]

i thnk da mark scheme gives the points briefl..ellaborate on tat!!

 

[simply adorable]

i thnk da mark scheme gives the points briefl..ellaborate on tat!!

noo in the marking scheme they dont write anything about this answer!
pleasee helpp

 

[Nikolas]

You can talk about ethical issues and confounding variables

 

[hilfinator]

ethical issues bios money problems etc.