Examlex
Which of the following relational operations combine data from more than one relation?
Baby Signing
The use of manual signing allowing babies and toddlers to communicate emotions, desires, and objects prior to spoken language development.
Language Development
The process by which individuals acquire the ability to perceive, produce, and use words to communicate.
Infant-Directed Speech
A type of speech characterized by a high-pitched, exaggerated expression, slower rate, and simplified vocabulary that adults use when talking to babies.
Universality
The quality of involving or being applicable to all people or things in the world or a particular group.
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