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Putrawan, I. Made – EURASIA Journal of Mathematics, Science & Technology Education, 2015
This research is aimed at obtaining information related to instrument development of Students' New Environmental Paradigm (NEP) based on their knowledge about ecosystem and Locus of Control (LOC). A survey method has been carried out by selecting senior high school students randomly with n = 362 (first stage 2013) and n = 722 (2014). Data analysed…
Descriptors: Environmental Education, Locus of Control, Surveys, Correlation
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Markstrom, Carol A.; Marshall, Sheila K. – Journal of Adolescence, 2007
The psychosocial inventory of ego strengths (PIES) was devised as a measure of Erikson's eight ego strengths. The present investigation extended previous research through examination of the validity and reliability of the PIES among 502 high school students. The study also included an appraisal of Erikson's ego strengths as indices of psychosocial…
Descriptors: High School Students, Self Concept, Psychometrics, Age Differences