It thus makes sense that density affects numerosity estimation, even if numerosity estimation is not based on density perception.
Putting aside the fact that any causal inference from physiological factors to (largely) normative, discrete, categories like language types is problematic per se, what our results show is that the phonological quantity system in Finnish is not based on (the perception of) duration alone, but that both pitch and durational information in fact codetermine the length opposition.
Furthermore some of the available questionnaires were not based on patients' perceptions theoretically limiting their validity as in the case of the Rush Medicus Tool- Monitoring the Quality of Nursing Care [ 18].
It instead concludes that it does not, based on a personal perception of the artist.
Unlike the existing methodologies, this study aims to minimize the uncertainty of a field engineer's decision making process for determining whether a fault is present or not based on the human auditory perception by developing a fault diagnosis system that uses the abnormal operating sound radiated from a moving transfer robot as a source signal.
Referral by providers seemingly was not based on the provider's perception of his own competence, the symptoms presented by the patient, or the lack of treatment results.
Then, following the occurrence of a Natech accident at a nearby refinery 5 h later, residents were confronted with the decision to evacuate again or not, based on their own risk perceptions of the threat posed by the huge fires and smoke coming from the accident.
On the other hand, some perceptions are not based on direct experience but on trust in government, different understandings of the necessity to deal with climate change, variations in how energy costs are distributed, or political ideology that could vary across countries.
Of course, this is self-perception and not based on any external evaluation of how the parents are doing.
The point is that the "suffering" that is associated with Down syndrome is a subjective perception; it is not based on objective, scientific definitions.
