Parents play a crucial role in the promotion of early childhood development, and understanding parental perceptions of early childhood development may help enhance parental investments early in life. To explore this question, caregivers were asked to rank their child's intelligence in comparison...

Parents play a crucial role in the promotion of early childhood development, and understanding parental perceptions of early childhood development may help enhance parental investments early in life. To explore this question, caregivers were asked to rank their child's intelligence in comparison...

Language tests developed and validated in one country may lose their desired properties when translated for use in another, possibly resulting in misleading estimates of ability. Using Item Response Theory (IRT) methodology, we assess the performance of a test of receptive vocabulary, the...