Abstract
The General Ability Measure for Adults (GAMA; Naglieri and Bardos in General Ability Measure for Adults (GAMA). National Computer Systems, Minneapolis, 1997) is accessible to persons with a wide variety of backgrounds; it is a nonverbal test that is free of the confounding characteristics of expressive language skills and exposure to a formal English-speaking academic environment. Naglieri and Bardos (1997) stated that the GAMA “evaluates an individual’s overall general ability with items that require the application of reasoning and logic to solve problems that exclusively use abstract designs and shapes” (p. 1). The GAMA does not follow a particular theoretical model but rather attempts to offer an alternative to the measure of general ability after recognizing many inherent problems with tests of general ability that use subtests that have been used as measures of nonverbal ability despite the fact that their administration directions include lengthy and wordy verbal directions (see for example the Wechsler series of tests). It offers an efficient research supported means to estimate a person’s overall cognitive ability. As of the writing of this chapter, the GAMA is undergoing a national re-standardization. In addition to a more recent normative sample, the GAMA-2 will address much of the feedback the GAMA authors received from users in the field.
For a continuous update on research studies regarding the GAMA and the GAMA-2 and to obtain a training CD, the reader is encouraged to contact the author at: abardos@unco.edu.
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Stieg Green, A., Bardos, A., Doropoulou, M. (2017). The General Ability Measure for Adults. In: McCallum, R. (eds) Handbook of Nonverbal Assessment. Springer, Cham. https://doi.org/10.1007/978-3-319-50604-3_12
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