NNAT3 Scoring and Interpretation of Results 3

Question 1

A gifted program requires an NNAT3 score at the 95th percentile or above. What approximate NAI score would meet this threshold?

Accepted Answer

125

Answer

The 95th percentile corresponds to approximately NAI 125 given a mean of 100 and standard deviation of 15.

Question 2

When interpreting NNAT3 results, why is it important to consider the confidence interval rather than only the obtained NAI score?

Accepted Answer

Because measurement error means the true score may differ from the obtained score

Answer

All standardized tests have measurement error, so the true ability score falls within a range around the obtained score.

Question 3

Which NNAT3 score level classification corresponds to an NAI score between 115 and 129?

Accepted Answer

Above average

Answer

Scores from 115 to 129 are typically classified as 'Above Average' in NNAT3 interpretive guidelines.

Question 4

On the NNAT3, what does it indicate when a student's NAI score is described as 'not interpretable'?

Accepted Answer

The student answered too few items to yield a reliable score

Answer

When a student completes too few items (often due to non-attempt or refusal), the resulting score lacks reliability and is flagged as not interpretable.

Question 5

A school psychologist notes that a student's NNAT3 percentile rank is 72. How should this be communicated to parents?

Accepted Answer

The student scored higher than 72% of same-age students nationally

Answer

A percentile rank of 72 means the student outperformed 72% of same-age peers in the national normative sample.

(NNAT3) Naglieri Nonverbal Ability Test 3 Practice Test

(NNAT3) Naglieri Nonverbal Ability Test 3 Practice Test

NNAT3 Scoring and Interpretation of Results 3