irst Edition, or Beta I, while the second revision (the version currently in use) has been known as the Revised Beta Examination, Second Edition, or Beta II.
The Revised Beta Examination "yields an overall estimate of ability which can be expressed either as an IQ or as a percentile" (Kellogg & Morton, p. 3). The Revised Beta Examination consists of six separate tests that measure different aspects of nonverbal ability. The problem types addressed in the six tests are, respectively, (1) mazes, (2) coding, (3) paper form boards, (4) picture completion, (5) clerical checking, and (6) picture absurdities.
Raw scores on each of the six tests are converted to scaled scores through the use of a table provided in the Revised Beta Examination Manual. The six scaled scores are then summed
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