De GAMA is voor het Nederlandse taalgebied (NL-B) in licentie (NCS Assessments) vertaald en aangepast door Dr. Jan Derksen, Drs. Jos Egger en Drs. Theo Bögels. De rechten zijn in handen van PEN Psychodiagnostics (handelsnaam van PEN Tests Publisher BV/INC). Op dit moment wordt de laatste hand gelegd aan de normering. Ter uwer informatie het volgende:

The GAMA test (General Ability Measure for Adults), an assessment from NCS, is a brief, self-administered, nonverbal measure of intelligence to use in any situation that requires an assessment of general ability using nonverbal means. It is also designed to be accessible to a wide variety of people with diverse cultural, language, and educational backgrounds.

Use the GAMA test as a cost-effective and time-saving measure of cognitive ability in the following situations:

• As part of a psychological evaluation
• For neuropsychology and forensic evaluations
• In counseling and psychotherapy settings to help choose interventions that match a client's intellectual ability
• For large-scale assessment, e.g. with prison or military populations
• When evaluating people who speak English as a second language or who read at a low level

The GAMA test's nonverbal item content helps overcome language, cultural, and educational barriers.
The GAMA test design allows you to test people who were previously difficult to test. GAMA test items require a person to apply reasoning and logic to solve problems that exclusively use abstract design and shapes. This design minimizes the effects of knowledge, verbal expression, and verbal comprehension on test scores.
The GAMA test uses four types of test items and subscales:

• Matching
• Sequences
• Analogies
• Construction

Matching: Requires examination of the shapes and colors of stimulus to determine which response option is identical.


Sequences: Requires the analysis of the interrelationships of designs as they move through space.


Analogies: Involves the discovery of the relationships in a pair of abstract figures and the recognition of similar conceptual relationships in a different pair of figures.


Construction: Involves the analysis, synthesis, and rotation of spatial designs to construct a new figure.

GAMA Test Results Provide an Efficient Description of General Ability

An individual's GAMA IQ test score is based on the four subtest scales scores. Using hand-scoring materials or computerized scoring, you will generate a graphic representation of the person's total score with a 90% confidence interval. An Ability Classification (from Well Below Average to Very Superior) and a Percentile rank are also reported. Subtest scores include a classification, a deviation score, and Strength/Weakness indications.

Author	Jack A. Naglieri, PhD. and Achilles N. Bardos, PhD.
Publisher	NCS
Date of Publication	1997
Appropriate Ages	18 and older
Norm Groups	11 age groups
Minimum Reading Level	3rd grade
Administration Time	25 minutes
Assessment Length	66 items with 6 response options
Scales	GAMA Scales - GAMA IQ; Subtests - Matching, Analogies, Sequences, Construction
Report Options	Profile Report

The GAMA test was normed on a census-based sample of 2,360 adults stratified by age, gender, race or ethnic group, educational level, and geographic region. The sample was partitioned into 11 age groups. The age groups and sample sizes are listed below. In addition, studies were undertaken during the development of the GAMA test to enhance its usefulness with special populations such as deaf adults, adults with learning disabilities or traumatic brain injury, or mentally retarded adults, and the elderly.

Norm Group	Sample Size
18 - 19 years	265
20 - 24 years	271
25 - 34 years	310
35 - 44 years	300
45 - 54 years	274
55 - 59 years	153
60 - 64 years	104
65 - 69 years	238
70 - 74 years	219
75 - 79 years	135
80+ years	91

Jack A. Naglieri is Professor of School Psychology and Psychology at The Ohio State University, where he has taught since 1982. He also holds appointments as a Senior Researcher at The Ohio State University's Nisonger Center and The Devereux Foundation's Institute for Clinical Training and Research. He obtained his bachelor's degree in psychology from Long Island University, a Master of Science in psychology from St. John's University, and a PhD in educational psychology from the University of Georgia in 1979. The author of over 125 book chapters and scholarly papers in psychological and educational journals, he has worked in the area of intelligence since the late 1970s. He has published many psychological tests for adults and children.

Achilles N. Bardos, PhD, is Associate Professor and Director of Training of the school psychology program at the University of Northern Colorado. He earned his teaching certificate in Greece. Following his studies at Wright State University (BS), Ball State University (MA), and The Ohio State University (PhD), he held a two-year appointment (1988-1990) in the school psychology program at Alfred University in New York. Since 1990, he has been a faculty member in the Division of Professional Psychology at the University of Northern Colorado. His teaching and research interests include intelligence, psychological and educational assessment, measurement, computer applications in psychology, and program evaluation. He has published many articles and presented over 70 papers and workshops at national and international conferences. He co-authored the Draw A Person: Screening Procedure for Emotional Disturbance (by Naglieri, McNeish, and Bardos, published in 1991) and has consulted in the development of other intelligence and personality tests.

• GAMA IQ

Subtests

• Matching
• Analogies
• Sequences
• Construction

How reliable and valid is the GAMA test?

Can I use the GAMA test with a client who speaks English as a second language?

Were the GAMA items checked for bias between different groups?

Can I use the GAMA test for group administration?