ASD UPDATED TEST MOCK EXAM WITH
ANSWER RATIONALES 2026
◉ Sensitivity.
Answer: ability to recognize the situations where the young children
may be identified with ASD
◉ specificity.
Answer: accurate diagnosis, so children are not incorrectly identified
who don't have ASD
◉ PPV.
Answer: positive predicted value or the proportion of children
identified at risk who actually have ASD
◉ 18 to 24.
Answer: the american academy of pediatrics recommends every
child is screen at the ___ to ___ month visit
◉ amy wetherby.
Answer: ________suggests that children should demonstrate 16
gestures by 18 months
,◉ CHAT checklist for Autism in Toddlers.
Answer: a 9 item screening tool emphasizing joint attention and
imagination completed by parents as young as 18 months. Has a
predicted value of 75%. has high sensitivity and low specificity
◉ M-CHAT modified checklist for autism in toddlers.
Answer: Based on parent report. contains 9 items from CHAT and
additional items for older children
6 critical items
#7: protodeclarative naming - indicate item of interest/share
interest (social/comm)
#14: response to name
#2: interest in peers
#9: bringing items to show
#15: following a point
#13: imitation
◉ ESAT: Early Screening for Autistic Traits (Swinkels, et al, 2006).
Answer: Greater emphasis on play less on joint attention
Questionnaire that parents report yes/no to a variety of questions.
Low sensitivity
-a 14 item questionnaire for young children
,-PVV was low
◉ infant-toddler checklist.
Answer: 24-item tool for caregivers to complete when children are
6-24 months of age
Created by Wetherby & Prizant (2002)
7 categories of items: emotion and eye gaze; communication,
gestures, sounds, words, understanding, and object use
High predictive value when administered at 12 month well check
-PVV is 75%
◉ CSBS-DP: Communication and Symbolic Behavior Scales -
Developmental Profile (Wetherby & Prizant, 2002).
Answer: Brief caregiver questionnaire intended to identify children
with communication disorders between 6 and 24 months of age
Followed by Behavior Sample - direct assessment (Level 2)
◉ STAT: Screening Tool for Autism in Toddlers and Young Children
(Stone, et al, 1997).
Answer: Greater emphasis on play, and communication-requesting
and communication-directing, less on joint attention
For children 24-26 months of age
19 items, completed during observation of a play interaction, pass or
fail
, See Handout
◉ Social Communication Questionnaire (SCQ).
Answer: 24-item tool for caregivers to complete when children are
6-24 months of age
Created by Wetherby & Prizant (2002)
7 categories of items: emotion and eye gaze; communication,
gestures, sounds, words, understanding, and object use
High predictive value when administered at 12 month well check
◉ CARS-2: Childhood Autism Rating Scale-2nd Edition (2010).
Answer: Children beyond the 2-year level and up to 4-5 years in
developmental skills
Interview and observation
Compares child's behavior in 15 different areas: social areas,
sensory areas, communication areas
◉ GARS-2: Gilliam Autism Rating Scale (Gilliam, 2005).
Answer: Designed to measure the severity and probability of autism
3 to 22 years of age
Can be administered by a teacher, teacher's aide or a parent
Behavioral Checklist with 4 sub-scales:
Stereotyped behaviors
ANSWER RATIONALES 2026
◉ Sensitivity.
Answer: ability to recognize the situations where the young children
may be identified with ASD
◉ specificity.
Answer: accurate diagnosis, so children are not incorrectly identified
who don't have ASD
◉ PPV.
Answer: positive predicted value or the proportion of children
identified at risk who actually have ASD
◉ 18 to 24.
Answer: the american academy of pediatrics recommends every
child is screen at the ___ to ___ month visit
◉ amy wetherby.
Answer: ________suggests that children should demonstrate 16
gestures by 18 months
,◉ CHAT checklist for Autism in Toddlers.
Answer: a 9 item screening tool emphasizing joint attention and
imagination completed by parents as young as 18 months. Has a
predicted value of 75%. has high sensitivity and low specificity
◉ M-CHAT modified checklist for autism in toddlers.
Answer: Based on parent report. contains 9 items from CHAT and
additional items for older children
6 critical items
#7: protodeclarative naming - indicate item of interest/share
interest (social/comm)
#14: response to name
#2: interest in peers
#9: bringing items to show
#15: following a point
#13: imitation
◉ ESAT: Early Screening for Autistic Traits (Swinkels, et al, 2006).
Answer: Greater emphasis on play less on joint attention
Questionnaire that parents report yes/no to a variety of questions.
Low sensitivity
-a 14 item questionnaire for young children
,-PVV was low
◉ infant-toddler checklist.
Answer: 24-item tool for caregivers to complete when children are
6-24 months of age
Created by Wetherby & Prizant (2002)
7 categories of items: emotion and eye gaze; communication,
gestures, sounds, words, understanding, and object use
High predictive value when administered at 12 month well check
-PVV is 75%
◉ CSBS-DP: Communication and Symbolic Behavior Scales -
Developmental Profile (Wetherby & Prizant, 2002).
Answer: Brief caregiver questionnaire intended to identify children
with communication disorders between 6 and 24 months of age
Followed by Behavior Sample - direct assessment (Level 2)
◉ STAT: Screening Tool for Autism in Toddlers and Young Children
(Stone, et al, 1997).
Answer: Greater emphasis on play, and communication-requesting
and communication-directing, less on joint attention
For children 24-26 months of age
19 items, completed during observation of a play interaction, pass or
fail
, See Handout
◉ Social Communication Questionnaire (SCQ).
Answer: 24-item tool for caregivers to complete when children are
6-24 months of age
Created by Wetherby & Prizant (2002)
7 categories of items: emotion and eye gaze; communication,
gestures, sounds, words, understanding, and object use
High predictive value when administered at 12 month well check
◉ CARS-2: Childhood Autism Rating Scale-2nd Edition (2010).
Answer: Children beyond the 2-year level and up to 4-5 years in
developmental skills
Interview and observation
Compares child's behavior in 15 different areas: social areas,
sensory areas, communication areas
◉ GARS-2: Gilliam Autism Rating Scale (Gilliam, 2005).
Answer: Designed to measure the severity and probability of autism
3 to 22 years of age
Can be administered by a teacher, teacher's aide or a parent
Behavioral Checklist with 4 sub-scales:
Stereotyped behaviors
