Autism Behavior Checklist (ABC)

The Autism Behavior Checklist (ABC; Krug, Arick, & Almond, 2008) is a 57-item questionnaire to be completed by parents or teachers.


It is one component of the Autism Screening Instrument for Educational Planning – Third Edition (ASIEP-3; Krug et al., 2008). The ABC is divided into five subscales: sensory behavior, social relating, body and object use, language and communication skills, and social and adaptive skills


Author (yr) Age Range (yrs) Method of Administration/Format Approx. Time to Administer Subscales
Autism Behavior Checklist (ABC) Krug, Arick, & Almond (2008) 2 to 14

Subtest of the ASIEP-3

A 57-item questionnaire; yes/no format

Parent or teacher may complete

Yields cutoff score ranges based on different diagnoses
10-20 min.

Sensory Behavior; Social Relating; Body and Object Use; Language and Communication Skills; Social and Adaptive Skills

Screening/Diagnosis: S

** Instrument requires special training to administer.

Availability: Pro-Ed,


Author (yr) Sample Size Topic(s) Addressed Outcome
Eaves & Williams (2006) 198 - Age Range: Mean age = 101.32 mos. Reliability and construct validity <p>r = correlation</p><p>Alpha coefficients: Reliability for Total Score – adequate for screening:</p> <p><a name="h.1y810tw"></a>Krug, Arick, & Almond (1993): Total Score r = 0.89; Miranda-Linné & Melin (2002) scores: Total Score r = 0.86</p> <p><a name="h.4i7ojhp"></a>Reliability for scales – not reliable:</p> <p><a name="h.2xcytpi"></a>Krug, Arick, & Almond (1993): Sensory r = 0.59, Relating r = 0.75, Body & Object Use r = 0.76, Language r = 0.60, Social & Self-Help r = 0.57; </p> <p>Miranda-Linné & Melin (2002): Nonresponsive Behavior r = 0.81, Infant-like Behavior r = 0.68, Aggressive Behavior r = 0.66, Stereotypical Behavior r = 0.63, Echolalic Speech </p> r = 0.74 Alternate factors identified
Author (yr) Sample Size Topic(s) Addressed Outcome
Eaves, Campbell, & Chambers (2006) 107 - Age Range: Mean age autistic – 96.81 mos. Nonautistic – 126.09 mos. Criterion- related and construct validity <p><span></span>Validity between ABC and PDDRS (partial coefficients) Total = 8.80;<br></p> <p><a name="h.2p2csry"></a>Sensitivity of ABC = 77% </p> <p>Specificity of ABC = 91%</p> <p><a name="h.147n2zr"></a>Overall Classification Accuracy = 80% (two x two matrix);</p><p>When compared with PDDRS classifications, overall agreement = 85% with phi coefficient for nominal classifications = 0.68</p>
Author (yr) Sample Size Topic(s) Addressed Outcome
Rellini, Tortolani, Trillo, Carbone, & Montecchi (2004) 65 - Age Range: 1.5-11 years Criterion validity <p>Sensitivity = 54% False negatives =46%</p>
Author (yr) Sample Size Topic(s) Addressed Outcome
Miranda-Linné & Melin (2002) 383 - Age Range: 5-22 years Factor analysis <p>No data reported for the five factors</p>

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