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PubMed2000

Usability testing in 2000 and beyond.

Usability testing is a widely used technique to evaluate user performance and acceptance of products and systems. It was introduced in the late 1980s and rose to popularity in the past decade. This paper provides a view of the current status of usability testing as a method and describes how it will be used in the 21st century. Although usability testing may not be the most efficient technique for discovery of usability problems, it is a reliable way to estimate quantitatively users' performance and subjective satisfaction with products. Four major trends in usability testing include: common reporting formats and methods for industry; Internet application and website testing; testing of mobile, handheld devices; and testing in more naturalistic environments such as simulated homes and classrooms. In the 21st century, 'quick and clean' usability testing methods are needed to provide valid and reliable data on how well people use products and systems, and how they like using them.

Consumer Behavior↗
PubMed2003

Study of MCPA and MCPP herbicides mobility in soils from North-West Croatia as affected by presence of fertilizers.

The mobility of acid herbicide (4-chloro-2-methylphenoxy)acetic acid [MCPA] and 2-(4-chloro-2-methylphenoxy)propionic acid [MCPA] in soils of North-West Croatia has been studied by soil thin-layer chromatography (STLC). Mobility of MPCA and MCPP was influenced by the change in concentration of soluble salts and the effect of mineral composition of the system studied, i.e. content of kaolin and sand in soil thin layer. The objective of this work was also to investigate how the mobility of phenoxy herbicides MCPA and MCPP is altered by the presence of fertilizers when both coexist in soil as a result of human activity. It has been found that mobility of acidic herbicides increases with application of fertilizers especially on soil with low clay and low organic matter content.

2-Methyl-4-chlorophenoxyacetic Acid↗
PubMed1978

Ion-pair partition chromatography analysis of anthraquinone glycosides of senna and pharmaceutical preparations of senna.

Ion-pair partition has been combined with HPLC for the rapid detection and separation of the major anthraquinone glycosides of senns, sennosides A and B. A Corasil C18 column (5 microns) with methyl alcohol (30 percent in water) containing 0.005 M tetrabutylammonium phosphate, pH 7.5, as mobile phase was used. In the application to the assay of drugs, sennosides A and/or B constituents of the crude senna drug, Senokot syrup, Senokot tablets, and Pursennid tablets have been estimated in the presence of other constituents of the crude drug and pharmaceutical preparations. The results obtained are compared with colorimetric assay results.

Anthraquinones↗
PubMed2003

Use of transgenic plants to measure insect herbivore movement.

Use of ingested transgenic corn tissue as a marker for measuring movement of adult Diabrotica virgifera virgifera (LeConte) (Coleoptera: Chrysomelidae; western corn rootworm) was investigated. Laboratory observations of beetles feeding on corn foliage, pollen, silks, or soybean foliage provided background on feeding patterns. The interval between food consumption and its appearance in feces (gut passage time) ranged from 102.7 +/- 11 min for soybean foliage to 56.7 +/- 2.9 min for corn silks. In a laboratory assay, protein expression tests identified the presence of Cry3Bb1 protein inside 50% of adult D. virgifera for up to 16 h after they had last consumed Cry3Bb1 protein-expressing corn silks from 'YieldGard Rootworm' corn plants (Monsanto Co.). Cry3Bb1 protein could not be detected by 32 h postfeeding. The proportion of Cry3Bb1 protein-positive beetles declined linearly with increasing time since feeding on 'YieldGard Rootworm' tissue. Approximately 20% of adult D. virgifera collected near 'YieldGard Rootworm' corn plots tested positive for Cry3Bb1 protein, indicating 'YieldGard Rootworm' tissue consumption within the last 16-32 h. Based on a 16- to 32-h postfeeding detection interval for Cry3Bb1 protein and the distance between 'YieldGard Rootworm' sources and sites where Cry3Bb1-positive insects were collected, 85.3% of males and females moved < or = 4.6-9.1 m/d through R2-R3 stage corn. Among Cry3Bb1-positive adults that left corn and were captured in an adjacent soybean field, 86.4% of males and 93.1% of females moved < or = 4.6-9.1 m/d through soybean. Detection of transgenic plant tissues in mobile insect herbivores is a novel application of biotechnology to the study of insect movement.

Animals↗
PubMed1995

Derailment: success and failure.

Today's career executive faces the challenges of the health care industry and the challenges of managing one's own career. The ability to accurately assess one's own career and use that knowledge to plan future career strategies is essential. This article gives many practical hints for career success.

Adaptation, Psychological↗
PubMed1986

The population biology of transposable elements.

A transposable element can be defined as a DNA sequence capable of moving to new sites in the genome. Such DNA sequences have been described in a wide range of organisms. The evolutionary processes affecting transposable elements can thus be divided into two categories: changes in sequence and changes in genomic location. As with other types of evolutionary change, the nature of the evolutionary process will be reflected in the extent and type of genetic variation existing in wild populations. Quantitative models of the evolution of transposable element sequences and positions will be outlined, and related to relevant data. The extent to which models designed to describe obvious transposable elements such as the mobile sequences of Drosophila are also applicable to interspersed repetitive DNAs from other species will be discussed.

Animals↗
PubMed2005

A model to predict accommodations needed by disabled persons.

In this paper, several approaches to assist employers in the accommodation process for disabled employees are discussed and a mathematical model is proposed to assist employers in predicting the accommodation level needed by an individual with a mobility-related disability. This study investigates the validity and reliability of this model in assessing the accommodation level needed by individuals utilizing data collected from twelve individuals with mobility-related disabilities. Based on the results of the statistical analyses, this proposed model produces a feasible preliminary measure for assessing the accommodation level needed for persons with mobility-related disabilities. Suggestions for practical application of this model in an industrial setting are addressed.

Adult↗
PubMed2001

Writing your curriculum vitae.

Your curriculum vitae (CV) is your gateway to shortlisting. A good CV takes a long time to prepare. It should not only record your training but, more importantly, should reflect your 'physicianly' qualities, management skills and knowledge of health-care systems.

Career Mobility↗
PubMed2004

Culture and long-term care: the bath as social service in Japan.

A central feature of Japan's approach to community-based care of the elderly, including long-term home health care, is the emphasis on providing bath facilities. For mobile elders, senior centers typically provide a public bathing facility in which people can enjoy a relaxing soak along with friends who also visit the centers. In terms of in-home long-term care, visiting bath services are provided to assist family care providers with the difflcult task of bathing a frail or disabled elder--a task made more problematic as a result of the Japanese style of bathing. I argue that the bath, as social service, is a culturally shaped solution to a specific problem of elder care that arises in the Japanese context as a result of the importance of the bath in everyday life for Japanese. While the services may be considered specific to Japan, some aspects of bathing services, particularly the mobile bath service, may also have applicability in the United States.

Aged↗
PubMedDate not supplied

Taking counsel.

Explore the source record for details and available documents.

Career Mobility↗
PubMed1993

Career planning: what to say when the recruiter calls.

Professional recruiters often contact pharmacists about changing jobs. Through their relationship with employers and their knowledge of changing job trends, recruiters can place pharmacists into rewarding, uncommon positions. However, choosing a recruiter is like choosing a doctor or lawyer; you must ask the right questions. Finding a recruiter you enjoy working with is a good first step toward proper career management.

Career Mobility↗