Wechsler Test Wechsler FSIQ and Index Score Interpretation 5

Question 1

A FSIQ of 85 falls into which Wechsler classification?

Accepted Answer

Low Average

Answer

A score of 85 is one standard deviation below the mean, classified as Low Average.

Question 2

If an examinee's WMI is much lower than their VCI and VSI, performance on which type of task is most likely affected?

Accepted Answer

Holding and manipulating information mentally

Answer

A low Working Memory Index predicts difficulty holding and mentally manipulating information.

Question 3

The Standard Error of Measurement (SEM) is used primarily to:

Accepted Answer

Build confidence intervals around obtained scores

Answer

The SEM quantifies measurement error and is used to construct confidence intervals around a score.

Question 4

Which interpretation is appropriate when all five index scores are tightly clustered near 108?

Accepted Answer

The FSIQ is a strong, meaningful summary of ability

Answer

When indexes are consistent, the FSIQ reliably summarizes a unitary overall ability.

Question 5

A difference between VCI and FRI that occurs in fewer than 10% of the population is described as:

Accepted Answer

Statistically significant and rare (unusual)

Answer

A discrepancy with low base rate is both statistically significant and clinically unusual.

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