Examined the effect over time of the use of sign language in a two-year period, including preschool and ending with kindergarten, on hearing children's language development. Found vocabulary gains, no evidence of memory decay over time, and positive evidence for inclusion of sign language instruction in early childhood education. (SD)

The most popular activities from APA's successful "Activities Handbooks for the Teaching of Psychology" are gathered together and updated in this book of teachers' favorites. The lesson plans, which encourage active learning and involve the whole class, have stood the test of time and proven themselves to be entertaining, effective, and easy to…