نتایج جستجو برای: spectral changes
تعداد نتایج: 1024774 فیلتر نتایج به سال:
In this report we analyzed genetically informative data to investigate within-person change and between-person differences in late-life cognitive abilities as a function of childhood social class. We used data from nine testing occasions spanning 28 y in the Swedish Adoption/Twin Study of Aging and parental social class based on the Swedish socioeconomic index. Cognitive ability included a gene...
The illumination of the environment undergoes both intensity and spectral changes during the 24 h cycle of a day. Daylight spectral power distributions are well described by low-dimensional models such as the CIE (Commission Internationale de l'Éclairage) daylight model, but the performance of this model in non-daylight regimes is not characterised. We measured downwelling spectral irradiance a...
Developmental change in children's number-line estimation has been thought to reveal a categorical logarithmic-to-linear shift in mental representations of number. Some have claimed that the broad and rapid change in estimation patterns that occurs with corrective feedback provides strong evidence for this shift. However, quantitative models of proportion judgment may provide a better account o...
In this paper it is argued that existing accounts of mechanisms of cognitive change in joint nroblem solvine: are inadequate for several reasons. In particular explanations based on sociocognitive conflict do not tell us how the resolution of inter individual conflicts leads to cognitive change. It is argued that a more effective approach is to analyse the dialogue processes involved. A model i...
Lay conceptions of personality change and continuity were examined in a sample of 112 undergraduates. Participants rated their personal change over 5 years (past or future), the change they perceived to be normative over 10-year age spans between 15 and 65, their beliefs about whether personality is fixed or malleable (‘‘lay theories’’) and their beliefs about the causes of personality change a...
Prior experience with a cognitive task is often associated with higher performance on a second assessment, and these experience effects can complicate the interpretation of cognitive change. The current study was designed to investigate experience effects by obtaining measures of cognitive performance separated by days and by years. The analyses were based on data from 2017 adults with two long...
Two major challenges facing researchers interested in cognitive change are that measures of change are often not very reliable, and they may reflect effects of prior test experience in addition to the factors of primary interest. One approach to dealing with these problems is to obtain multiple measures of change on parallel versions of the same tests in a measurement burst design. A total of 7...
Citrus tree change detection is of great importance for citrus production (inventory) analysis and forecasting. The National Agricultural Statistics Service’s recent citrus GIS modernization effort built the GIS infrastructure for the entire State of Florida. To detect changes in citrus acreage, it is necessary to detect not only the land coverage changes between the citrus groves and other lan...
Panchromatic and multi-spectral images produced by the remote sensing satellites are fused together to provide a multi-spectral image with a high spatial resolution at the same time. The spectral quality of the fused images is very important because the quality of a large number of remote sensing products depends on it. Due to the importance of the spectral quality of the fused images, its eval...
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