- Looks attentively at a person's face with purpose
 - Begins to show attention to storytelling and signing of stories
 - Responds with gestures to such words as up, high, bye bye
 - Uses joint reference (parent and child looking at the same object)
 - Occasionally gives toys/objects on request
 - Occasionally follows simple commands (put that down)
 - Begins to show interactions to greetings
 
ASL
- Uses eyes to attend to signed motherese
 - Distinguishes facial expressions, angers, friendliness
 - Follows eye gaze of the signer with alertness
 - Responds to a signed request (come here)
 - Understands signs for common items (cup, shoe, milk, more, mom, dad)
 - Naturally looks at the visual environment with alertness
 - Begins to recognize own name sign
 
Spoken Language
- Responds selectively to family names, "no," common objects and own name
 - Responds to a verbal request (come here)
 - Enjoys listening to music
 - Appears to listen to whole conversation between others
 - Understands words for common items (cup, shoe, juice)
 
- Vocalizes or gestures to request or protest
 - Uses some gestures to communicate appropriately (shakes head for no)
 - Responds to the disappearance of objects
 - Interacts with objects by holding, pointing and looking at them
 - Points to self and things to request or comment
 - Uses gesture or vocalizations to protest and express emotions
 - Begins to label objects without cueing
 - Begins to use first words (bye or mama)
 - By 12 months of age, has 1-3 words (signed or spoken)
 
ASL
- Hand babbles with basic hand shapes
 - Begins to great others by signing "hi" or "good-bye"
 - Turns head in response to tapping, hand waving or foot stomping to get attention
 - Imitates and/or expresses some basic signs (mine, more, milk, mommy, daddy)
 - Uses facial expressions, gestures or signs to protest 
 
Spoken Language
- Repeats CV syllables in babble (pa pa) or other approximations
 - Appears to "sing"
 - Makes vocalizations to get attention
 - Makes onomatopoeia sounds like choo-choo, swish or buzz
 - Babbles with intonation: jargon of sentence-like structures without true words
 - Uses sounds to gain attention or initiate games
 - Imitates inflections and rhythms by vocalizing
 
- Expresses a variety of emotions
 - Smiles, initiates eye contact, laughs
 - Smiles when seeing a familiar person
 - Attempts to initiate turn-taking
 - Begins to understand the purpose of two-way intentional communication
 - Engages in more social games like pat-a-cake
 - Shows a desire to interact with people
 - Anticipates activities
 - Nods, waves, claps
 - Asks, protests, comments by reaching/pointing
 - Looks at books with adults
 - Responds to activities by laughter or repeating an action
 - Indicates desire to change activities
 - Begins to direct others by tugging, pushing or hitting
 
ASL
- Imitates the movements of others
 - Fixates on the face and hands
 - Enjoys story signing of short periods of time
 
Spoken Language
- Enjoys being read to for short periods of time