The authors analyzed delinquent development from age 12 to 32 in 270 male offenders who underwent residential treatment for problematic behavior and delinquency in a Dutch juvenile justice institution. Stable personality and background characteristics were measured on admission. The development of offending was examined on the basis of conviction…

The relation between intelligence and birth order was shown in a recent publication [Bjerkedal, T., Kristensen, P., Skjeret, G. A. & Brevik, J. I. (2007). Intelligence test scores and birth order among young Norwegian men (conscripts) analyzed within and between families. "Intelligence," 35, 503-514] to be negative. Subjects in this…

The study investigated the relationship between family stress and child characteristics in families with motor impaired toddlers. Families of 20 children between 2 1/2 and 5 years old with motor impairments, who visit a therapeutic toddler class in a rehabilitation centre, participated. The study was carried out in the Netherlands. Family stress…

Tolerant judgments of Muslims' political rights and dissenting beliefs and practices by ethnic Dutch adolescents (12-18 years) were examined. Participants (N = 632) made judgments of different types of behaviors and different contexts in an experimental questionnaire study. As in other studies, tolerance was found to not be a global construct.…

The main and interactive effects of parental behavioral control and parental support on adolescent adjustment were examined with students ages 15-19 in Italy (N = 391, 59.1% male) and The Netherlands (N = 373, 45.3% male). In general, parental support was associated with better adjustment and parental control was associated with worse adjustment.…

Most of the studies of the causes of visual impairment have been population-based studies. These population-based studies provide important information on the incidence and prevalence of "theoretical" eye problems in a community. However, not all those who are visually impaired, from a theoretical point of view, consider themselves as…

Instant messaging (IM) is the term used to describe the technology through which "users can set up a list of partners who will be able to receive notes that pop up on their screens the moment one of them writes and hits the send button". While early use could be described as mainly for fun, IM today is a serious communication medium.…

Whereas educational research has provided evidence that students' characteristics affect their performance, at this stage little is known about which characteristics influence their learning processes and achievement in religious education. This article looks into characteristics that influence students' cognitive achievement in religious…

In this study of the multiple determinants of professional caregiving, 237 caregivers (age range: 18-56 years) from 64 Dutch child care centers were extensively observed during their interactions with the children (0-4 years) in their usual care group. The choice of potential determinants of the caregiving quality was guided by Belsky's [Belsky,…

In a longitudinal genetic study we explored which factors underlie stability in verbal and nonverbal abilities, and the extent to which the association between these abilities becomes stronger as children grow older. Measures of verbal and nonverbal IQ were collected in Dutch twin pairs at age 5, 7, 10, 12 and 18 years. The stability of both…

This paper reviews recent measurement work on User-Created Content (UCC) undertaken in OECD countries. It shows that UCC is emerging as a significant area of economic and social activity worthy of consideration for official measurement and discusses the implications for the OECD Model Survey on ICT Access and Use by Households and Individuals.…

Three experiments were conducted in order to investigate the developmental relationship between children's and adults' use of pointing and verbal descriptions as devices for reference. (Author/MP)

Using multiple dimensions of solidarity and conflict in a latent class analysis, we develop a typology of adult child-parent relationships. The data (N = 4,990) are from the first wave of the Netherlands Kinship Panel Study. In descending order of relationship quality, the 5 types are harmonious (akin to relationships with friends), ambivalent…

In the present study, language development of Dutch children with a cochlear implant (CI) in a bilingual educational setting and Flemish children with a CI in a dominantly monolingual educational setting is compared. In addition, we compared the development of spoken language with the development of sign language in Dutch children. Eighteen…

Fifty-six Dutch school children (aged 6-0 to 14-4 years) participated in a study designed to investigate their ability to reason with logical implication. They answered a total of 32 reasoning problems. Before or after each question they were asked a class inclusion question. A high degree of correspondence was found between class inclusion and…