In the United States today, about what percent of grandparents are raising their grandchildren?

The result of the ocular muscles that control eye movements not being fully developed at birth is

A. the newborn moving each eye at random B. strabismus C. cross-eyes D. all selections are correct

Ganong's research on phoneme perception involved computerized

synthesis of novel sounds and showed that speech recognition is based on a. units of sound smaller than phonemes. b. individual phonemes. c. two-phoneme combinations. d. combinations larger than phonemes. e. units that do not include phonemes.