Characterizing and measuring the quality of instruction is a matter growing interest in mathematics education. Based on notion didactic suitability theoretical assumptions onto-semiotic approach, we develop an instrument to systematically analyze different facets involved process. We also explore concordances complementarities with instruments for instruction. Thus, quantitative measurement eff...

Purpose Despite the numerous implementations of process improvement approaches (PIAs) in new product development (NPD), espoused benefits PIAs are rarely realized practice. This paper explores how managers' cognitive frames provide knowledge structures that affect use products. Design/methodology/approach A qualitative multiple case study method was used to elaborate theory relation NPD. Four l...

The last 30 years have seen a significant increase in babies attending nursery, with corresponding questions about the aims and organisation of practice. Research broadly agrees on the importance of emotionally consistent, sensitive and responsive interactions between staff and babies. Policy objectives for nursery and expectations of parents and staff give rise to different and sometimes confl...