Review Article

Autism Spectrum Disorder Screening Instruments for Very Young Children: A Systematic Review

Table 6

Behaviors examined by very early ASD screeners.
(a) Level 1 ASD screening instruments

Social communicationRepetitive behaviorsSensoryDevelopmentalReactivity/temperamentAtypical information processing
CommunicationSocial

Early Screen for Autism Traits (ESAT)
Eye contactHas interest in different toysReaction to sensory stimuli
Reacts when spoken toEmotions understandableVaried playLikes cuddling
Facial expressionStereotyped movements
Attracts attention
Brings/shows objects
Interest in people
Smiles directly

Checklist for Early Signs of Developmental Disorder (CSEDD)
Lack of eye contactShows stereotyped behaviorDislikes touching and cuddlingDoes not explore, passive
Turns to nameSocial smileLack of variable Unusual sensory behaviorLack of functional
Seems to be deafShares enjoymentLack of functional Babbling at 12 monthsOverreaction to change or other
GesturesImitationUnusual posturesSingle words at 16 months
Follows pointPrefers alonenessOverreaction to change or other Spontaneous two-word phrases at 24 months
PointsShows object for social bidLoss of language
Instrumental communication/hand-leadingFlat affect

Infant-Toddler Checklist (ITC)
Responds to nameEmotions readableInterest in a variety of objectsStrings sounds together
Follows point to objectEye contact while playingUses objects Variety of consonant sounds
Requests objectShared affectRepeats simple activity over and overComprehension vocabulary
Words for attention or helpSeeks attentionBlock or ring stacking
Points to objectsGets you to laugh
Waves to greetShows object for social attention
Initiating through handing object
Initiates joint attention

First-Year Inventory (FYI)
Looks when name is calledUpset when switching activitiesOverly sensitive to touchBabblesSleeping and waking patterns are regular
Trouble hearingAvoids looking at youEnjoys staring at bright lightsIgnores loud or startling soundsUses pincer gripRegular feeding patterns
Looks at people when they talkLooks at your face for comfortGets stuck on playing with a part of a toySpits out certain textures of foodsEyes line up when looking at object
Uses communicative gesturesPlays alone for an hour or moreBody gets stuck in positions or posturesPresses against things
Responds to ‘‘Where’s —?”Looks up from play when shown new toyEnjoys making objects spin over and overEnjoys rubbing or scratching objects
Uses finger to point at thingsEasy to understand baby’s expressionsStares at fingers while wiggling themEnjoys kicking feet over and over
Plays or communicates less than in the pastTries to get your attention to show things, or for interactive or physical games
Imitates mouth sounds, body movements, or movements, with objects
Tries to get attention by sound and gaze
Seems interested in other babies

(b) Level 2 ASD screening instruments

Social communicationRepetitive behaviorsSensoryDevelopmentalReactivity/temperamentAtypical information processingAdaptive skills
CommunicationSocial

Autism Observation Scale for Infants (AOSI)
Eye contactAtypical motor behaviorAtypical sensory behaviorMotor controlBehavioral reactivityVisual tracking
Orientation to nameDifferential response to facial emotionInsistence on specific objects/activitiesEngagement of attention
Social babblingAnticipatory social responseDisengagement of attention
Shared interestImitationTransitions
Reciprocal social smile
Coordination of eye gaze and actionSocial interest and shared affect

Screening Test for Autism in Two-Year-Olds (STAT) (applied to children under 24 months)
Requests when presented with communication challenge (2 items)Takes turns(Lack of) functional object Functional object
Directs attention and interacts socially (4 items)Imitates motor acts (4 items)

Parent Observation of Early Milestones Scale (POEMS)
Eye contactShifts (does not shift) attention from one event to anotherCuddlingObject permanenceDemands attentionVisual tracking Sleep
(3 items)
Imitates sounds or wordsSocial smilingExplores (does not explore) new toys and environmentsReaction to painMuscle toneStability of moodFeeding
(4 items)
Points to requestLaughs appropriatelyDiverse toy playReaction to noiseAgility in movementComforted when hurt
Points to share interestsAttachment to parentsRepetitive body movementsFearful of objects that move or make noiseAttention spanUnpredictable reactions
Coordinates gaze and pointRecognizes parents voiceAtypical use of wordsTolerance to transitionsStacks blocksActivity level
Points in response to questionEmotions appropriatePretend playCries to express needs
Follows adult pointAnticipation to being picked upCommunicates with Waiting tolerance
Follows simple directionResponse to nameVisual tracking
Brings toys to requestAttention to faces
GreetsShifts attention from object to person
Coordinates gestures and communicationImitating
Communicates with Social games
Interest in birthday present and cake
Interest in peers
Plays with peers

Autism Diagnostic Evaluation for Children (ADEC)
Responds to verbal commandImitationFunctional play (lack of)Responds to every day soundsDemonstrates use of words
Demonstrates use of wordsGaze switching from toy to personPretend play (lack of)
Use of gestures (waves good-bye)Eye contact
Response to nameReciprocity of smile
Following point
Anticipatory posture for being picked up
Nesting into caregiver

placed in two categories.