Chemseddine Tidjani

2 Questions 8 Answers 0 Followers

Questions related from Chemseddine Tidjani

Can I use just a part of items from a questionnaire ?

Hi, In order to write an essay about such problematic, and based on research that have been done recently using a questionnaire tool to collect data, I would like to confirm if I can use just a...

09 July 2018 2,561 16 View

Are we obliged to re-test the reliability & validity of a previous questionnaire that has been tested before ?

The use of a previous questionnaire as a measurement tool that has taken the reliability & validity test; does it need to be re-validated? Otherwise, you can check more about the use of a...

28 March 2015 4,190 3 View