Study aim: To assess motor performance of pre-school children and the hierarchy of motor and physical variables. Material and methods: A group of 64 boys and 60 girls aged 5-6 years were subjected to 7 motor tests measuring the condition and co-ordination features. The results were subjected to cluster analysis in order to establish the hierarchy…

The purpose of this study was to acoustically examine the developmental characteristics of fundamental (f[subscript o]) and formant frequencies (F1 and F2) in vowels produced by Korean male and female children in two age ranges (5 and 10 years of age). The study also compared formant frequency values among Korean children with those from existing…

Background: Comorbidity amongst anxiety disorders is very common in children as in adults and leads to considerable distress and impairment, yet is poorly understood. Multivariate genetic analyses can shed light on the origins of this comorbidity by revealing whether genetic or environmental risks for one disorder also influence another. We…

An adaptive conjoint analysis was performed on the study abroad preferences of a sample of undergraduate college students. The results indicate that trip location, cost, and time spent abroad are the three most important determinants of student preference for different study abroad trip scenarios. The analysis also uncovered four different study…

In this article, the authors examined whether there were different motivational profiles within a sample of kindergarteners (N = 110) learning science. The authors identified 3 profiles involving children's perceived competence in, liking, and ease of learning science by using cluster analysis. High motivational beliefs characterized the largest…

Family involvement in planning and choosing services has become a key intervention concept in developmental disability services. This study (N = 547) modeled patterns of family decision making and assessed benefits to persons with developmental disabilities (DDs) and their family members. A latent profile analysis identified 4 classes that were…

When assessing latent mean differences, researchers frequently do not explore possible heterogeneity within their data sets. Sources of differences may be functions of a nested data structure or heterogeneity in the form of unobserved classes of observations defined by a difference in factor means. In this study, the use of multilevel structural…

Background: Down syndrome (DS) is a frequent cause of intellectual disability. With the increasing life expectancy of these patients, concerns have been raised about the risk of osteoporosis. In fact, several investigators have reported a reduced bone mass in DS. However, the results may be confounded by comorbid diseases, and differences in…

Objectives: To determine whether drink specials independently increase patrons' risk of achieving a high level of intoxication upon exiting drinking establishments. Methods: In a campus community, data were collected from exiting patrons (N=291) via sidewalk interviews and breath tests on 6 nights of 2 consecutive semesters. Results: A…

As Web 2.0 tools and technologies increase in popularity in consumer markets, enterprises are seeking ways to take advantage of the rich social knowledge exchanges that these tools offer. The problem this study addresses is that it remains unknown whether employees perceive that these tools offer value to the organization and therefore will be…

Objectives: To accurately count the number of infant maltreatment-related fatalities and to use information from the birth certificates to predict infant maltreatment-related deaths. Methods: A population-based retrospective cohort study of infants born in Alaska for the years 1992 through 2005 was conducted. Risk factor variables were ascertained…

The objective of the study was to see whether a teacher-coach exhibits different types of leadership behavior when s/he teaches a PE class and coaches a group of athletes. The participants in this study were 17-18 year old second-year preuniversity students from two local junior colleges in Singapore. A total of 159 students of mixed gender…

The teaching beliefs and classroom practices of 54 kindergarten teachers were assessed using a Q-sort measure. Cluster analysis of the Q-sort responses revealed four instructional approaches that differed in their focus on literacy skills, social development and self-esteem. In addition, measures of emergent literacy skills, classroom behaviour…

Context: Scope of practice is an important factor in both training and recruiting rural family physicians. Purpose: To assess rural Idaho family physicians' scope of practice and to examine variations in scope of practice across variables such as gender, age and employment status. Methods: A survey instrument was developed based on a literature…

Objective: This study examined whether the age of parents predicted maternal harsh parenting behavior, specifically whether younger mothers might be at higher risk than older mothers, and which paternal characteristics might be associated with maternal parenting behavior. Methodology: This study used data from the Fragile Families and Child…