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Adult Cognition, Language and Neuropsychology -
Higher Executive Functions

Beta III
C E Kellogg and N W Morton, 1999

Overview: 
Measure non-verbal intelligence

Age Range:
16 to 89 years

Administration:
Individual or Group - 30 minutes

Obtain a quick assessment of adults' nonverbal intellectual abilities with the group-administered Beta III. Beta III is easy to administer and score and is useful for screening large numbers of people for whom administering comprehensive test batteries would be time-consuming and costly. The test has a variety of occupational and educational applications. 

Beta III is the latest revision of an instrument with a long and distinguished history. The original version was developed by the U.S. Army during World War I to assess the intellectual ability of illiterate recruits. In 1934, Kellogg and Morton revised it to make it suitable for civilian use. Beta III is an updated version of the Revised Beta Examination, Second Edition, published in 1974. 

This test of nonverbal intellectual ability has various occupational and educational applications, principally in evaluating the employment readiness of potential employees. 

Easy to Use 
Professionals familiar with Beta II can administer Beta III with minimal training. Technicians and others in the fields of psychology and education can also administer Beta III with training and supervision. It is easily hand scored with a key. 

Four subtests have been retained from Beta II: Coding, Picture Completion, Clerical Checking, and Picture Absurdities. Matrix Reasoning, a measure of fluid reasoning, is new to Beta III

Beta III was validated using other well-known tests, including the WAIS®-III, ABLE-II, Raven's Standard Progressive Matrices, Revised Minnesota Paper Form Board Test (RMPFBT™), Personnel Tests for Industry-Oral Direction Test (PTI-ODT™), Bennett Mechanical Comprehension Test® (BCMT®), and Revised Beta Examination, Second Edition (Beta II). 

Extensive reliability and validity studies were conducted with Beta III. The norm sample included 1,260 adults. Validation data were collected using individuals with Mental Retardation and more than 400 prison inmates. The standardisation sample was stratified by age, gender, race/ethnicity, educational level, and geographic region according to 1997 census data. 


Available Products

Materials

Complete kit: Includes manual, 25 response booklets and scoring key
Additional copies of materials:
Response booklets, pack of 25
Response booklets, pack of 100
Scoring key