To test the assertion that absolute magnitude estimation serves to minimize context effects, two experiments were conducted in which area stimuli were judged under differing conditions. In Experiment 1, four groups of subjects made magnitude estimations of triangles ranging in area from 1.5 to 3,072 cm2. No standard or modulus was used, and instructions were similar to those used in absolute ma...

historical earthquakes play a notable role in engineering seismology. the historical kashan-sialk region, 3 km south of kashan, was surveyed in the viewpoint of historical earthquakes events. several devastating historical earthquakes, occurred in the bc time, identified based on archaeological studies and evidences gathered from field study. in this respect a variety of information, namely tim...

The history of blood pressure (BP) waveform analysis is almost as undulatory as the waveform itself. The development of the sphygmograph in the mid-19th century led to a relatively brief, albeit intense, interest in the interpretation of the BP waveform. This was perhaps more an art than a science, and interest in the sphygmograph and the waveform declined after the introduction of the cuff-bas...

The magnitude comparison task and the number line estimation task are widely used in the literatures on numerical cognition, mathematical development and mathematics education. It has been suggested that these tasks assess a central component of mathematical competence and, thus, are useful tools for diagnosing mathematical competence and development. In the current chapter, we provide a compar...

Recent research points to a relation between non-verbal number estimation and knowledge of formally taught mathematical principles and operations, with more accurate estimation (i.e., number acuity) predicting better performance on standardized math tests (Halberda et al., 2008). Here we asked whether math ability relates to acuity for magnitude more generally, as might be predicted by a system...