Spatial skill is the ability to move or reconstruct objects and components of one or more parts in three-dimensional space in their mind. In other words, it is defined as the mental arrangement of spatial skills objects and their parts in two-dimensional and three-dimensional space. 500 volunteer students included from Faculty of Education Primary…

The current study compared different learners' static and dynamic mental images of unseen scientific species and processes in relation to their spatial ability. Learners were classified into verbal, visual and schematic. Dynamic images were classified into: appearing/disappearing, linear-movement, and rotation. Two types of scientific entities and…

Allowing respondents to retake a cognitive ability test has shown to increase their test scores. Several theoretical models have been proposed to explain this effect, which make distinct assumptions regarding the measurement invariance of psychometric tests across test administration sessions with regard to narrower cognitive abilities and general…