Results 1 to 10 of about 13,036 (283)

A Comparison of Item Non-Response in Web and Pen-and-Paper Surveys of Sexual Behaviour

open access: yesMethodological Innovations, 2008
Alison R Evans   +3 more
doaj   +1 more source

Surveys in clinical research: methodological aspects and practical guidance. [PDF]

open access: yesCrit Care Sci
Bianchini L   +9 more
europepmc   +1 more source

Public opinion trends in American society: Lessons from social science infrastructure. [PDF]

open access: yesPNAS Nexus
Druckman JN   +6 more
europepmc   +1 more source

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