Home › Historical IQ Tests › Kaufman Assessment Battery for Children (K-ABC)

Documentation · 1983

Kaufman Assessment Battery for Children (K-ABC): Luria-theory child cognitive battery

The first major child cognitive assessment based on Luria's neuropsychological theory rather than the verbal-performance Wechsler framework. Alan and Nadeen Kaufman developed the K-ABC to provide a culture-fair alternative to the WISC, with substantially smaller racial and ethnic score gaps. The current K-ABC-II (2004) remains in active clinical use as the Wechsler alternative for child cognitive assessment.

Read About the Test

About the Kaufman Assessment Battery for Children (K-ABC)

By the early 1980s, the WISC-R (1974) was the dominant child individual cognitive assessment but had attracted increasing criticism for showing substantial mean score differences between racial and ethnic groups, raising questions about cultural fairness. Alan Kaufman (Yale) and Nadeen Kaufman set out to build an alternative grounded in Soviet psychologist Alexander Luria's theory of neuropsychological functioning, which emphasized brain-based processing distinctions over verbal/performance content distinctions.

The K-ABC organized cognitive assessment into Sequential Processing (analyzing information serially over time - hand movements, number recall, word order) and Simultaneous Processing (analyzing information all at once - face recognition, gestalt closure, matrix analogies, spatial memory). These constructs are grounded in Luria's distinction between successive and simultaneous cognitive processing. The K-ABC also included a separate Achievement scale to allow ability-achievement comparison.

The 1983 K-ABC achieved its goal of substantially smaller racial and ethnic score gaps than the WISC. It also offered Wechsler-equivalent overall reliability and validity, making it a credible alternative for clinical and educational use. The 2004 K-ABC-II is the current edition; it remains widely used particularly for children from culturally diverse backgrounds and for bilingual assessment.

Copyright note: K-ABC items are copyrighted (Pearson). This page documents the battery's history.

The 3 subtests

#1
Sequential Processing Scale Hand Movements, Number Recall, Word Order - measuring serial cognitive processing.
Copyrighted
#2
Simultaneous Processing Scale Face Recognition, Gestalt Closure, Triangles, Matrix Analogies, Spatial Memory, Photo Series - measuring holistic cognitive processing.
Copyrighted
#3
Achievement Scale Reading, mathematics, riddles, vocabulary - allowing ability-achievement comparison.
Copyrighted

Sample Items (Illustrative)

Items are presented verbally or visually, and responses are either verbal or involve physical actions. Scoring typically involves determining whether the response is correct or matches expected criteria.

Sample 1 · Sequential Processing Scale: Hand Movements
Watch carefully as I tap this sequence on the table: tap-tap-pause-tap. Now, you try to repeat the same sequence.
Example response: The child repeats the sequence accurately: tap-tap-pause-tap.
Sample 2 · Simultaneous Processing Scale: Gestalt Closure
Look at this incomplete drawing. Can you tell what this picture is supposed to be?
Example response: The child correctly identifies the incomplete drawing as a cat.
Sample 3 · Achievement Scale: Vocabulary
What does the word 'enormous' mean?
Example response: The child responds with 'very big' or 'huge'.

These are illustrative samples, not actual items from the protected test.

Source

All test materials and historical content on this page are transcribed from:

Alan S. Kaufman & Nadeen L. Kaufman (1983). Kaufman Assessment Battery for Children (K-ABC).

K-ABC items remain under Pearson copyright. We document the battery's history and significance.

Cite this page

This page is part of the Historical IQ Tests Archive. Editorial content, transcription notes, and curation are released under Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0). Public-domain primary sources retain their public-domain status. BibTeX · RIS · CSL JSON

Historical test materials are obsolete and are not valid modern IQ assessments. This page is preserved for educational, research, and historiographic purposes.

Looking for a contemporary IQ test?

The instrument documented above is a historical document. Modern IQ scoring uses contemporary norms (mean 100, SD 15). Our free full IQ test is available separately.