The ________ was published in 1952 by the American Psychiatric Association for the major classification of psychological disorders in the United States.

The more high-functioning variation of autism, where the individual's speech is close to normal, is known as ______ syndrome

Fill in the blank with correct word

Campos and colleagues' (2000) study of crawling and non-crawling infants' ability to adjust their posture in a "moving room" demonstrates an approach that is likely to promote theoretical progress. This approach ___

a. obtains frequent samples of children's performance as it changes over time b. examines how changes in one domain influence developments in other domains c. illustrates that children's failures on Piagetian tasks are due to methodological artifacts d. uses neuropsycholgical evidence to corroborate behavioral findings