What is external validity?
This video introduces external validity, and how it relates to critical appraisal of research articles.
This video was developed with the help of an Educational Innovation Grant from the University of Sydney.
Watch video What is external validity? online without registration, duration hours minute second in high quality. This video was added by user E W 16 December 2018, don't forget to share it with your friends and acquaintances, it has been viewed on our site 83,43 once and liked it 82 people.