the psychology and economics of program testing

... budget deficits, anddrought combined to drive the country to the brink of fiscal insolvency. However,in 1990 the government imposed an austerity program that removed price controlsand ended subsidies ... basic items and allowed the inti, the nationalcurrency, to float against the United States dollar. About 35 percent of Peru's working population is engaged in farming. Mostof the coastal ... devoted to the raising of export crops; on the montaña and thesierra are mainly grown crops for local consumption. Many farms in Peru are verysmall and are used to produce subsistence crops; the country...

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... global-average; (b) southern hemispheric; and (c) northern hemispheric concentrations. REPORT SERIES of the MIT Joint Program on the Science and Policy of Global Change Contact the Joint Program Office to ... differently to these caps due to the short air pollutant lifetimes and dominance of northern over southern hemispheric emissions (Figs. 4b and 4c). The northern hemisphere contributes the most to the global ... simple addition of the SO x -capped and CO/VOC/NO x -capped cases. Nevertheless, the capping of CO, VOC and NO x serves to reduce the warming induced by the capping of SO x . Note that these climate...

Ngày tải lên: 17/02/2014, 22:20

... Demand Price and Quantity Demanded: The Law of Demand Other Determinants of Household Demand Shift of Demand versus Movement Along the Demand Curve From Household Demand to Market Demand ... goods. On the right, you see the results: the ppf of the rich country shifts up and out farther and faster. The importance of capital goods and technological developments to the position of workers ... decision is the opportunity cost of that decision. THE SCOPE OF ECONOMICS p. 7 4. Microeconomics deals with the functioning of individual markets and industries and with the behavior of individual...

Ngày tải lên: 21/02/2014, 03:20

... the value of p has similar constraints to those of u. If the test and training corpora are independent, the probability of making the same error, given that both are wrong, will be the random ... the error commited by the tagger is other than the er- ror in the test corpus, but wrongly evaluated as right (false positive) if the error is the same. Table 1 shows the computation of the ... tend to make the same errors that appear in the test set. On the contrary, if the train- ing and test sets come from different sources -sharing only the tag set- the behaviour of the resulting...

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... clean. The policy rates each segment according to the benefit of cleaning the segment and the cost of cleaning the segment and chooses the segments with the highest ratio of benefit to cost. The benefit ... shows the relative importance of the various kinds of data written to disk, both in terms of how much of the live blocks they occupy on disk and in terms of how much of the data written to the ... sequen- tially, then writes 100 Mbytes randomly to the existing file, then reads 100 Mbytes randomly from the file, and finally reads the file sequentially again. The bandwidth of each of the five phases...

Ngày tải lên: 12/09/2012, 15:05

... specialized audience. State -of -the- art researchers need this kind of detailed mathematics to understand the theoretical implications of the work. A basic premise of this book is that most practical ... with radio waves to probe the interior of the human body. Properly adjusting the strength and frequency of the fields cause the atomic nuclei in a localized region of the body to resonate between ... word in the incoming audio signal is isolated and then analyzed to identify the type of excitation and resonate frequencies. These parameters are then compared with previous examples of spoken...

Ngày tải lên: 13/09/2012, 09:49

... contempt and ridicule instead, further diminishing their rather uncertain standing within the group. Concerned both about losing and winning À thereby stoking the resentment of other competitors À they ... of the notion of social phobia and its equivalents (mostly from the end of nineteenth century France) in the context of a rising interest in anxiety-related phenomena and the desire to give them ... this end, they make themselves agreeable, smiling and nodding with interest and approval with those they know. When not preoccupied with them- selves, they can be well attuned to the needs of others and...

Ngày tải lên: 21/09/2012, 10:54

... referral) may depend on the nature of the condition, whether the refer- ral is for reasons of diagnosis and/ or treatment, the pref- erence of the provider, and the relationship between the providers. ... composed of both chiropractic and medical professionals. The goals of the focus group were to explore the attitudes and experiences of medical and chiropractic clinicians regarding their patients ... situation, that the point of referral may depend on the familiarity or relationship between the providers, and that the nature of the referral (e.g., amount and type of information accompanying the referral)...

Ngày tải lên: 25/10/2012, 10:06

... validity. These conclusions are as follows: The test with chosen items is compatible with the aims of the courses and the objectives of the syllabus and the test specification. However, with the negative ... interpretations to the ones intended. (Hughes, A. 1989: 38). In the case of the English section at the University of Technology, the teachers should do the trial tests first and then, mark and remark the ... testing, criteria of good tests and theoretical ideas on test reliability and validity as well as achievement tests. Chapter 3- The study is the main part of the thesis showing the context of...

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