Wechsler Individual Achievement Test ®- Australia and New Zealand Standardised Third Edition

Ages 4:0- 50:11 years


The WIAT-III A&NZ assists you in identifying the academic strengths and weaknesses of a student; informing decisions regarding eligibility for educational services, educational placement, or diagnosis of a specific learning disability; and designing instructional objectives and planning interventions.

Basic Reading

Word Reading
The examinee reads a set of single words out loud. This subtest measures the speed and accuracy of single word reading.

Pseudoword Decoding
The examinee reads out loud a set of single non-words. This subtest measures the speed and accuracy of decoding skills.



Maths Problem Solving
The examinee listens as the examiner reads each problem, looks at the corresponding visual stimuli, and provides oral and/or points to responses. This subtest measures maths problem-solving skills under untimed conditions.

Numerical Operations
The examinee is asked to complete the numerical operations by writing the answers in the provided response booklet. This subtest measures written mathematics calculation skills under untimed conditions.

Maths Fluency
The examinee completes as many problems as he/she can within a 60-second time limit. This subtest measures written mathematics calculation fluency (speed and accuracy).


Oral Language

Listening Comprehension
In the first component of listening comprehension, the examinee looks at a set of pictures, listens to a word spoken out loud by the examiner, and then points (or states the letter that corresponds to) the picture that best illustrates the meaning of the target word. In the second component, the examinee listens to an audio recording of one or more sentences of a narrative or expository information, listens to the question(s) read out loud by the examiner, and then orally answers the question(s). This subtest measures listening comprehension at the level of the word, sentence, and discourse.

Oral Expression
The examinee is evaluated on his/her skills in association with expressive vocabulary, oral word fluency, and sentence repetition. This subtest measures the skills and competencies that are important for effective oral expression and that underlie written language skills.


Reading Comprehension & Fluency

Reading Comprehension
The examinee reads each passage out loud or silently, listens to each question asked out loud by the examiner, and orally answers each question with the passage available for reference. This subtest measures literal and inferential reading comprehension skills using a variety of passage and question types that resemble those used in school settings.

Oral Reading Fluency
The examinee reads a set of passages orally. This subtest measures oral reading fluency of expository and narrative passages.


Total Achievement 

Early Reading Skills
The examinee is presented auditory, visual, or combined auditory-visual stimuli and is required to respond either by pointing or orally. This subtest measures several skills deemed important for developing ready skills for students in years AU preschool-3 / NZ 0-4.


Written Expression

Alphabet Writing Fluency
The examinee writes alphabet letters within a 30-second time limit. This subtest measures the examinee's ability to write letters and can be administered to students in years AU preschool-3 / NZ 0-4.

The examinee listens to a target sound or word, listen to the sound or word within the context of a sentence, and then writes the sound or word. This subtest measures written spelling of single sounds and words from dictation.

Essay Composition Subtest
Students in years AU 3-12+ / NZ 4-13+ are given 10 minutes to write an essay on a specific subject. This subtest measures spontaneous, compositional skills, including theme development, text organisation, grammar, and mechanics.

Sentence Composition Subtest
Sentence Composition includes two subtasks: Sentence Combining requires students to combine two or more sentences into one well-written sentence that preserves the meaning of the original sentences, and Sentence Building requires students to write sentences that use target words with appropriate context. This subtest measures sentence formulation skills and written syntactic maturity and ability in students, years AU 3-12+ / NZ 4-13+. Quickly scored with easy access to word list.


WIAT–III: Equivalence of Q-interactive and Paper Scoring of Academic Tasks - Selected WIAT-III Subtests

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