Middle childhood—conventionally going from about 6–11 years of age—is a crucial yet
underappreciated phase of human development. On the surface, middle childhood may …

Highlights•Sex differences in attachment styles have been described in children and
adults.•They emerge by middle childhood, and show systematic cross-cultural …

Background Past research has correlated social media use with a variety of mental health
outcomes–both positive and negative. The current study aims to explore two possible …

Traditional attachment theory posits that attachment in infancy and early childhood is the
result of intergenerational transmission of attachment from parents to offspring. Verhage et …

Middle childhood is a key transitional stage in the development of attachment processes and
representations. Here I discuss the middle childhood transition from an evolutionary …

Attachment styles are known to have significant associations with mental and physical
health. Specifically, insecure attachment leads individuals to higher risk of suffering from …

Prior research has identified relations between prenatal testosterone exposure and various
antisocial and criminal behaviors. However, less is known about the association between …

Null hypothesis significance testing (NHST) has been the subject of debate for decades and
alternative approaches to data analysis have been proposed. This article addresses this …

Individual differences are essential to the process of evolution by natural selection. Natural
selection is the only known process capable of creating and maintaining adaptations. The …

Positive social interactions are crucial for human well-being. Elevated prenatal exposure to
testosterone as indicated by a low second-to-fourth finger length ratio (2D: 4D) relates to …