When a skilled teacher works with a child learning to read, the teacher typically highlights reading strategies such as sounding out the letters in a word. In Vygotsky's theory, this teaching process is

Down syndrome is caused by a(n)

a. dominant lethal gene. b. chromosomal aberration. c. extra Y chromosome. d. deletion of genetic material in chromosome 21. e. a homozygous recessive gene.

_______ can vary from culture to culture and are socially acceptable ways of showing emotion in public settings

a. Phonemes b. Facial grids c. Display rules d. Expressional norms e. Emotional morphemes