Students' attitude towards science (SAS) is often a subject of investigation in science education research. Survey of rating scale is commonly used in the study of SAS. The present study illustrates how Rasch analysis can be used to provide psychometric information of SAS rating scales. The analyses were conducted on a 20-item SAS scale used in an…

Concludes that if we do find ourselves in a situation of multiple paradigmatic perspectives on educational research, then it is not appropriate to think in the near future of there being a 'ground synthesis' of quantitative and qualitative methodologies. If the two major paradigms do exist as outlined here, and neither finds its present framework…

A discussion is presented concerning variables associated with children's representation of certain addition and subtraction problems. Problem components are classified as physical, pictorial, sensual, verbal-spoken, verbal-written, symbolic, or internal. Problems are discussed as abstract (symbolic) or nonsymbolic. Three problem components are…