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Slosson Full-Range Intelligence Test (S-FRIT)

by Bob Algozzine, Ronald C. Eaves, Lester Mann, and H. Robert Vance; edited by Steven W. Slosson

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Here is a brief, easily scored measure of general cognitive ability. Because it gives you a quick yet reliable estimate of verbal and nonverbal intelligence, the S-FRIT is highly useful in screening new school entrants and exceptional children, confirming other test results, determining educational placement, and charting cognitive progress.

    Individually administered in just 15 to 35 minutes, the test is appropriate for ages 5 through 21 years. It contains 252 items, arranged in order of difficulty. The examiner quickly establishes a single basal and ceiling for the entire test, then scores one point for each item passed on the test’s three subscales:

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Verbal

Performance/Nonverbal Index

Memory

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Vocabulary

Figure Analogies

Sentence Repetition

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Similarities/Differences

Figure Relationships

Digits Forward

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Comprehension

Visual Closure

Digits Backwards

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Analogies

Missing Elements

Visual Memory

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Absurdities

Abstract Elements

Reverse Spelling

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Proverbs

Matrices

Shapes Backwards

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Mazes

Words Backwards

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    The test provides a Verbal Index, Performance Index, and Memory Index, which, when added together, yield a Full-Range IQ. Also provided are several supplementary scores, including a Best g Index, which is based on S-FRIT items that correlate highly with the total score. For examiners who need a fast estimate of overall cognition, a 15-minute administration of the test, using roughly half the items, produces a quick score called the Rapid Cognitive Index. S-FRIT norms are based on a representative sample of 1,500 individuals in 37 states.

    The S-FRIT gives more information than any other brief intelligence screener. It is an excellent supplement to more extensive cognitive assessments, such as the WISC-III, in charting cognitive progress.

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