Results 1 to 10 of about 6,954,119 (230)

Validity of the international physical activity questionnaire short form (IPAQ-SF): A systematic review

open access: yesInternational Journal of Behavioral Nutrition and Physical Activity, 2011
BackgroundThe International Physical Activity Questionnaire - Short Form (IPAQ-SF) has been recommended as a cost-effective method to assess physical activity.
P. Lee   +3 more
semanticscholar   +1 more source

International physical activity questionnaire: 12-country reliability and validity.

open access: yesMedicine & Science in Sports & Exercise, 2003
C. Craig   +10 more
semanticscholar   +1 more source

The Strengths and Difficulties Questionnaire: a research note.

open access: yesJournal of Child Psychology and Psychiatry and Allied Disciplines, 1997
R. Goodman
semanticscholar   +1 more source

A comparison of two respiratory symptoms questionnaires. [PDF]

open access: green, 1966
W. W. Holland   +4 more
openalex   +1 more source

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