Children's fuzziness leads to increased variance in the data, data loss, and high dropout rates in developmental studies. This study investigated the importance of 20 factors on the person (child, caregiver, experimenter) and situation (task, method, time, and date) level for the data quality as indicated via the number of valid trials in 11…

Few studies have examined the developmental pathways linking early pesticide exposure to children's socioemotional problems. Infant temperament is an important early indicator of socioemotional development and may be influenced by early environmental contaminants. However, no study to date has examined the association between household pesticide…

Child temperament is a predictor of non-verbal ability (i.e., thinking and problem-solving skills that do not fundamentally require verbal language production and comprehension). Given that temperament scores might vary depending on whether the reporter is a parent or a teacher, this study analyzes (a) whether those reports are different and (b)…

Social scientists know little about the experiences of transgender and nonbinary (TGNB) parents and their children's development. In this study of 138 transgender parents (age M = 35.28 years; 86.2% White/European American) with binary (52.9%) and nonbinary (47.1%) gender identities, we explore the links between family processes and young…