It has become increasingly clear that the early use of decomposition for addition is associated with later mathematical achievement. This study examined how younger children execute a base-10 decomposition strategy to solve complex arithmetic (e.g. two-digit addition). 24 addition problems in two modalities (WA: Written Arithmetic; OA: Oral…

The purpose of this study is to provide insight into short-term professionalization of teachers regarding teaching socioscientific issues (SSI). The study aimed to capture the development of science teachers' pedagogical content knowledge (PCK) for SSI teaching by enacting specially designed SSI curriculum materials. The study also explores…

Every year, countless projects are finished late, go over budget or end up being cancelled, often because their project managers and project teams lack the necessary tools and techniques to support their decision-making. Students of project management courses around the world have difficulty integrating the different knowledge areas of project…

This work analyses the answers to a questionnaire from 8,285 in-service and pre-service teachers from 23 countries, elaborated by the Biohead-Citizen research project, to investigate teachers' conceptions related to the genetic determinism of human behaviour. A principal components analysis is used to assess the main trends in all the interviewed…

Background: Educators, researchers and policy-makers worldwide continue to struggle to understand the changes needed for improving educational outcomes and attainment for students, particularly in content areas such as mathematics and science that are essential for developing a highly skilled workforce. Given the continuing emphasis on linking…

Categorical accessibility is a cognitive factor that limits the extent of creative conceptual expansion. In the present study, we sought to establish the categorical accessibility norms in five conceptual domains among American and Hong Kong Chinese university students. In addition, we predicted that the tendency to access normatively inaccessible…

This semantic frequency list for English, French, German, and Spanish correlates 6,474 concepts represented by individual words in an order of diminishing occurrence. Designed as a research tool, the work is segmented into seven comparative "Thousand Concepts" lists with 115 sectional subdivisions, each of which begins with the key English word…

The most popular activities from APA's successful "Activities Handbooks for the Teaching of Psychology" are gathered together and updated in this book of teachers' favorites. The lesson plans, which encourage active learning and involve the whole class, have stood the test of time and proven themselves to be entertaining, effective, and easy to…