In this study, we seek to investigate what influences children’s intelligence in early childhood. The Singapore Cohort Study of the Risk Factors of Myopia (SCORM) is used in to assess determinants of childhood IQ and changes in IQ. This longitudinal data set, collected from 1999, includes a...

Academics are divided as to whether financial risk tolerance is an enduring psychological trait and as a consequence is less likely to change over the life of an individual, or a variable psychological state which varies readily in response to internal and external influences. In this study we...

This study examined the relationship between loneliness, health, and mortality using a U.S. nationally representative sample of 2101 adults aged 50 years and over from the 2002 to 2008 waves of the Health and Retirement Study. We estimated the effect of loneliness at one point on mortality over...

This study analyzed the relationships among adolescent delinquency, self-worth, peer influence, and family cohesion (i.e., maternal and paternal warmth). The longitudinal analysis identified how these relationships develop and change through adolescence. Using data from the Mobile Youth Survey,...

Based on a model consisting of (1) indicators related to the entrepreneurial person, (2) resource/environment indicators, and (3) founding process indicators, this paper examines founding success (who ultimately started up a business?) and new venture success/failure (which businesses survived?)...

El Outsourcing de Sistemas de Información ha crecido de forma espectacular en los últimos años. Como resultado, los responsables de Sistemas de Información han sufrido una serie de cambios en sus puestos de trabajo. Sin embargo no existen muchos estudios que traten la influencia del...

This study examines four major Swedish banks’ internationalization process patterns during the period 1961–2010. The study complements earlier studies by also considering the banks’ levels of market commitment. One objective is to determine if ‘Tit for tat’-behaviour seen in earlier...

Job insecurity (threat of job loss) is widespread and becomes a permanent phenomenon for a lot of employees. Based on the response of 926 Finnish employees, this study investigated the direct lagged relationship between job insecurity, coping resources (job control, social support, and...

There is a large amount of cross-sectional evidence for a midlife low in the life cycle of human happiness and well-being (a 'U shape'). Yet no genuinely longitudinal inquiry has uncovered evidence for a U-shaped pattern. Thus some researchers believe the U is a statistical artefact. We...

This paper examined the effects of parenthood on workforce participation for men and women in the Christchurch Health and Development Study, a 30-year longitudinal study of a birth cohort of 1,265 individuals born in New Zealand in 1977. The findings suggested that the effects of parenthood on...