%0 Journal Article
%T Preferencias y demandas inmediatas que compiten con la actividad f¨ªsica en j¨®venes: Desarrollo de instrumentos y propiedades psicom¨¦tricas
%A Cruz Castruita
%A Rosa Mar¨ªa
%A Salazar Gonz¨¢lez
%A Bertha Cecilia
%A Ceballos Gurrola
%A Oswaldo
%A Cruz Castruita
%A Evelyn Lizeth
%J Index de Enfermer¨ªa
%D 2012
%I Fundaci¨®n Index
%R 10.4321/S1132-12962012000100015
%X objective: to develop and validate two instruments that measure competing preferences and demands that may interfere with physical activity of young students and to describe psychometric properties. methods: methodological design to develop the instruments measure preferences and demands. the analysis includes a sample of 477 students from upper public high schools and university students. systematic random sampling 1 in k (range 57-99) was used. results: the competing preferences instrument showed a cronbach alpha of .840 and the competing demands of .849. factor analysis, using principal components and varimax rotation revealed eight factors on that the preferences instruments, explaining 48.27% of total variance. five factors were extracted from the competing demands instrument, explaining 52.98% of the total variance. conclusions: results show preliminary validity, further testing is needed.
%K validation
%K immediate preferences
%K immediate demands
%K physical activity.
%U http://scielo.isciii.es/scielo.php?script=sci_abstract&pid=S1132-12962012000100015&lng=en&nrm=iso&tlng=en