PURPOSE This study was designed to investigate the prevalence and intensity of odontogenic bacteremia from tooth cleaning procedures in children and adolescents. METHODS One hundred and fifty five children receiving dental treatment under general anesthesia at The Great Ormond Street Hospital for Children and Guy's Hospital were recruited. Each child was randomly allocated to one of three too...

The chair-side work posture of dental hygienists has long been a concern because of health-related problems potentially caused or exacerbated by poor posture. The purpose of this study was to investigate if using magnification loupes improved dental hygiene students' posture during provision of treatment. The treatment chosen was hand-scaling, and the effect of the timing of introduction of the...

Two experiments tested the hypothesis that implicit personality theory person types are composed of causally interconnected traits. Experiment 1 showed that the weakest trait member of a person type is perceived as more causally related to the core trait members of the type than are nonmember traits, even when those nonmember traits are both more highly correlated with and closer in multidimens...

Subjects rated the (dis)similarity of pair-wise combinations of female and male salesperson realtors. The selected realtors represent the range of appearance features, in terms of physical traits, grooming, and adornment. Subject responses were analysed using multidimensional scaling (MDS) to generate male and female perceptual maps, with 19 female and 19 male realtors shown as points in their ...

This review summarizes and evaluates the use of multidimensional scaling in vocational psychology. Multidimensional scaling applications are found in two primary areas: vocational interests and occupational perceptions. These areas correspond to the two major uses of multidimensional scaling: configural verification and dimensional identification. Two issues—the relationship between multi...

Ashby, Maddox and Lee (Psychological Science, 5 (3) 144) argue that it can be inappropriate to fit multidimensional scaling (MDS) models to similarity or dissimilarity data that have been averaged across subjects. They demonstrate that the averaging process tends to make dissimilarity data more amenable to metric representations, and conduct a simulation study showing that noisy data generated ...

In the context of devising a spatial ear-training system, a study into the perceptual construct ‘ensemble depth’ was executed. Based on the findings of a pilot study into the auditory effects of early reflection (ER) pattern characteristics, exemplary stimuli were created. Changes were highly controlled to allow unidimensional variation of the intended quality. To measure the psychological stru...

| Multidimensional Scaling (MDS) techniques always pose the problem of analysing a large number N of points, without collecting all N(N?1) 2 possible interstimuli dissimilarities, and while keeping satisfactory solutions. In the case of metric MDS, it was found that a theoretical minimum of appropriate 2N ?3 exact Euclidean distances are suf-cient for the unique representation of N points in a ...

Multidimensional scaling (MDS) models of mental representation assume stimuli are represented by points in a low-dimensional space, such thatmore similar stimuli are represented by points closer to each other.We consider possible individual differences inMDS representations, using the recently proposed KINDSCALmodel,which allows for both sub-groups of peoplewith different representations, and i...

The goal of this paper is to provide an example of how multidimensional scaling (MDS) can be used for stimuli development. The study described in this paper illustrates this process by developing affective mental imagery stimuli using the circumplex model of affect as a guide. The circumplex model of affect argues that all emotions can be described in terms of two underlying primary dimensions:...