Previous research indicates children reason in different ways about horizontal motion and motion in fall. At the same time, their understanding of motion down inclines appears to result from an interaction between horizontal and vertical motion understanding. However, this interaction is still poorly understood. Understanding of speed change may…

It has been commonly held that "children suffer if their mother goes out to work". This research uses several studies--large scale longitudinal data--to look at the development of children whose mothers were employed when those children were very young.

Nanotechnology is an emerging science that involved in different fields. This research inquired elementary school students' learning effect by using quasi-experiment, expositive-teaching and experiential-teaching methods for nanotechnology in the microcosmic world. By utilized the pretest "Nanotechnology Situational Questionnaire (NSQ)",…

The present study investigates the performance of 96 Cantonese-speaking three- to five-year-old preschoolers on three false belief tasks--a deceptive object, a change of location, and an unexpected contents task encompassing a variety of task factors. Most importantly, the research examines the possibility that false belief performance depends on…