Jun Chen, Xiaozan Wang, Shijun Wu, Jiarong Zhong, Weiyun Chen
Potential Predictors of Psychological Wellbeing in Elementary School Students
Children (Basel, Switzerland)
torrance tests creative thinking ttct developed 1966 renormed five times 1974 1984 1990 1998 2008 total sample six normative samples included 272599 kindergarten 12th grade students adults analysis normative data showed creative thinking scores remained static decreased starting sixth grade results also indicated since 1990 even iq scores risen creative thinking scores significantly decreased decrease kindergartners third graders significant