subjective measures of usability

... under a range of conditions and then completed a user-satisfaction ques- tionnaire. The results of this study pro- vide a wide range of subjective and ob- jective measures of the quality of the in- teractions. ... taken for the actual assembly of the objects. Also, other measures of the user’s gaze behaviour might be 885 Proceedings of the 47th Annual Meeting of the ACL and the 4th IJCNLP of the AFNLP, pages 879–887, Suntec, ... not remember. 4.2 Subjective Measures Two types of subjective measures were gath- ered during this study: responses on the user- satisfaction questionnaire, and self-assessment of emotions. Table...

Ngày tải lên: 17/03/2014, 01:20

... BUSINESS KNOWLEDGE (BEK) THE SIX MEASURES OF INCOME OF THE U.S. DEPARTMENT OF COMMERCE.  Nguyen Tran Bich Ngoc 1. Gross domestic product (GDP) is the market value of all final goods and services ... citizen works temporally in the United States, his production is part of U.S. GDP, but it is not part of U.S. GNP.( It is part of Canada’s GNP). For most countries, including the United States, ... the Department of Commerce, depreciation is called the “ consumption of fixed capital”. 4. National income is the total income earned by nation’s residents in the production of goods and services,...

Ngày tải lên: 08/11/2012, 11:54

... adequately complement subjective measures of aesthetic experience, such as the semantic judgments of beauty and pleasantness, with an objective measure, in this case, the strength of the memory trace. ... and the need to do so by means of simple and clear measures. This balance is particularly difficult to reach in the field of psychology of art, given the risk of oversimplifying psychological ... wealth of knowledge, it is also true that the use of good objective methods, given their reliability, constitutes a valuable addition to subjective measurements. The identification of objective measures...

Ngày tải lên: 19/02/2014, 17:20

... nature of the context applied and the results of the synonym extraction task. 5.1.1 Data and Resources As our data we used the Dutch CLEF QA cor- pus, which consists of 78 million words of Dutch 2 Note ... of nouns can occur as the subject of the verb have, for instance, whereas only a few nouns may occur as the object of squeeze. Intu- itively, the fact that two nouns both occur as sub- ject of ... as object of squeeze. To account for this intuition, the frequency of occurrence in a vector can be re- placed by a weighted score. The weighted score is an indication of the amount of information...

Ngày tải lên: 20/02/2014, 12:20

... the intersection Vqr of the supports of q and r. This is of interest from a computa- tional point of view because Vqr tends to be a relatively small subset of V, the set of all verbs. Furthermore, ... continuous with respect to r (i.e., the support of q is not a subset of the support of r). 2Strictly speaking, some of these functions are dissim- ilarity measures, but each such function f can be ... pirical comparison of a broad range of similarity metrics using an evaluation methodology that factors out inessential degrees of freedom; a pro- posal, building on this comparison, of a charac-...

Ngày tải lên: 20/02/2014, 18:20

... standard distance-weighted version of KNN (up to 2.3% of relative im- provement), it definitively outperformed it in terms of learning accuracy (up to 9.2% of relative improvement). References E.Alfonseca ... five measures. Proceedings of North American Chapter of ACL Workshop on WordNet and Other Lexical Resources. U.Hahn and K.Schattinger. 1998. Towards text know- ledge engineering. Proceedings of ... for a review of semantic similarity meas- Ures. In principle, it can be any type of a classifier that assigns some score to each class, such as votes of nearest neighbors in the case of KNN or probabilities in...

Ngày tải lên: 08/03/2014, 21:20

... the findings of the first stage of analysis with the larger community of concerned professionals, we came across issues that widened our perspective of the problem and of the scope of mechanisms ... the process of the ‘making social of disease’ (Frankenberg 1980:199). The concept of sickness involves particularly a consciousness of the role of social relations in their expression of power, ... of reproductive morbidity at the community level is one of the primary objectives of the study, the research team put a great deal of effort into the construction of the morbidity component of...

Ngày tải lên: 14/03/2014, 16:20

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Ngày tải lên: 23/03/2014, 03:20

... diversity of AIFs and different types of assets they are invested in. The ‘conduct of business rules’ of Article 12(1) of the AIFMD correspond to a large extent to the ‘conduct of business rules’ of ... description of the types of risk arising from professional negligence and to advise on methods for calculating the re- spective amounts of additional own funds or the coverage of the professional ... portfolios of AIF under man- agement by a particular AIFM and the calculation of the value of assets under management by the AIFM on behalf of these AIFs. 2. It is the responsibility of the AIFM...

Ngày tải lên: 23/03/2014, 11:20

... stan- dard measures of language development: (i) MLU, a measure of utterance length, (ii) mean depth of de- pendency parse trees, a measure of syntactic com- plexity similar to that of Yngve (1960), ... the age of a held-out language sam- ple. We find that on average, existing single met- rics of development are outperformed by a weighted combination of our features. In our second set of experiments, ... collection of corpora from many studies of child language based on episodic speech data. Since we are interested in development over time, our corpus consists of seven longitudinal studies of individual...

Ngày tải lên: 30/03/2014, 17:20

... and Table 4 show the overlap (in terms of proportion of identically selected articles) between pairs of similarity measures. As shown in Table 3, for all measures there is only a small overlap ... a small portion of the dataset is manually annotated: 281 articles. 14 Since we want to evaluate the performance of different similarity measures, we want to keep the influence of noise as low ... worse. Results of Similarity Measures Table 2 com- pares the effect of the different ways to select re- lated data in comparison to the random baseline for increasing amounts of training data....

Ngày tải lên: 30/03/2014, 21:20

... way of looking at the ability of a dairy farm to meet its debt obligations is by looking at the total level of debt per cow. While the debt to asset ratio measures the overall debt position of ... living. 3 Contents Introduction 4 Gaining Control of Your Business 6 The 15 Measures 8 Measure 1: Rate of Production — Pounds of Milk Sold Per Worker 10 Measure 2: Cost Control — Total Feed Cost Per Cwt of Milk Sold 12 Measure ... Costs Per Cwt of Milk Sold and Amount of Feed Needed for Dairy Cattle Table A. Change in Feed Cost Per Cwt of Milk Based on Changes in Prices for Corn and Hay. 1 Total Feed Cost Per Cwt of Milk Corn...

Ngày tải lên: 31/03/2014, 22:20

... number of errors by the number of words or T-units, but by the number of obligatory contexts. Thus, she was coding correct uses of each of the structures examined as well. She divided the number of ... of T-units, the number of clauses, the number of words, and the number of error-free T-units. After we had coded several practice essays, problems regarding each of these counts arose. Most of ... accu- racy, I found 3 different types of measures: holistic scales, number of error-free units, and number of errors (with or without error classification). A summary of these studies appears in Table...

Ngày tải lên: 02/04/2014, 05:21

... Group from 1999–2005, a leading usability consulting firm that offered user-centered design and technology adoption strategies. Jeff served on the Board of the Usability Professionals Association from ... about usability, and how to achieve it — that is, until it is time to evaluate the usability of a product (which requires an operational definition and precise measurement). This trivializing of usability ... 22 Improving Profitability 22 Basics of the Methodology 23 Basic Elements of Usability Testing 25 Limitations of Testing 25 Chapter 3 When Should You Test? 27 Our Types of Tests: An Overview 27 Exploratory...

Ngày tải lên: 24/04/2014, 15:16

... Hagopian 4 Address: 1 School of Medicine, University of Washington, Seattle, USA, 2 Department of Nursing, Aga Khan University School of Nursing, Kampala, Uganda, 3 Department of Medicine, Makerere ... http://www.human-resources-health.com/content/6/1/5 Page 3 of 11 (page number not for citation purposes) graphics, stability and safety of the country, finances, sense of professional pride and obligation, future plans, and outlook of working ... with the continued exodus of nurses from Afri- can countries [2]. Africa, with 24 percent of the global bur- den of disease, employs only three percent of all health professionals [5]. Nurses in...

Ngày tải lên: 18/06/2014, 17:20

Ngày tải lên: 18/06/2014, 19:20

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Ngày tải lên: 19/06/2014, 08:20

Ngày tải lên: 19/06/2014, 08:20