Sentences with phrase «number of country observations»

Additional limitations of the analysis highlighted in the paper and simply repeated by the reviewer are that the number of country observations is limited to 28 OECD countries and that the available measure of teacher performance pay is imperfect.

The advantages come at the price of concerns about the limited number of country observations, the mostly cross-sectional character of available achievement data, and possible bias from unobserved country factors such as culture.

Not exact matches

Also, several of the resource and institutional variables, such as the school's decision - making responsibility and the existence of national examinations, are measured at the school or country level, further decreasing the independence of individual observations and reducing the number of independent observations on these variables.

Observations and number of researches confirm significant a long - term impact traumatic experiences from past have on individual and collective life, influencing all levels and aspects of economic, political and social life of the war - thorn countries and their development.

One of my observations, as I enter discussions with educators in various parts of the country, is that many educators bring up problems within their own districts that were discussed in detail and often resolved in many other districts a number of years ago.

The MET project will enroll 3,700 teachers from a number of school districts around the country and will gather a variety of data, including videotaped teacher observations, student surveys, teacher surveys, and supplemental student assessments.

By using information about the country of recruitment of ships we were able to assign metadata to a greater number of observations than Kent et al. 2006.

The reasons for that are many: the timid language of scientific probabilities, which the climatologist James Hansen once called «scientific reticence» in a paper chastising scientists for editing their own observations so conscientiously that they failed to communicate how dire the threat really was; the fact that the country is dominated by a group of technocrats who believe any problem can be solved and an opposing culture that doesn't even see warming as a problem worth addressing; the way that climate denialism has made scientists even more cautious in offering speculative warnings; the simple speed of change and, also, its slowness, such that we are only seeing effects now of warming from decades past; our uncertainty about uncertainty, which the climate writer Naomi Oreskes in particular has suggested stops us from preparing as though anything worse than a median outcome were even possible; the way we assume climate change will hit hardest elsewhere, not everywhere; the smallness (two degrees) and largeness (1.8 trillion tons) and abstractness (400 parts per million) of the numbers; the discomfort of considering a problem that is very difficult, if not impossible, to solve; the altogether incomprehensible scale of that problem, which amounts to the prospect of our own annihilation; simple fear.