DSM-5 classifies attention-deficit/hyperactivity disorder as ________ disorder, a diagnostic grouping that includes intellectual disability, autism spectrum disorder, and specific learning disorder

In a series of studies using the violation-of-expectation method, Renée Baillargeon and her collaborators claimed to have found evidence for __________ in the first few months of life

A) assimilation B) mental representation C) object permanence D) equilibrium

A researcher who is interested in how children make friendships watches two little girls playing together on the playground at their school. He records each activity that the two girls do together as a pair

What type of research is being conducted? A) structured observation B) naturalistic observation C) observational learning D) correlational method