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Tsaparlis, Georgios; Papaphotis, Georgios – International Journal of Science Education, 2009
This study tested for deep understanding and critical thinking about basic quantum chemical concepts taught at 12th grade (age 17-18). Our aim was to achieve conceptual change in students. A quantitative study was conducted first (n = 125), and following this 23 selected students took part in semi-structured interviews either individually or in…
Descriptors: Constructivism (Learning), Rote Learning, Chemistry, Interviews
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Thomas, Jerald A. – Gifted Child Quarterly, 2008
This study examines development along Perry's intellectual and ethical scale among three successive graduating classes of students identified as gifted and talented in mathematics and science. Perry posits that intellectual development proceeds from a basic dualism through nine stages ("positions") and culminates with a sense of personal identify…
Descriptors: Adolescent Development, Developmental Stages, Questionnaires, Student Characteristics