General Aptitude Test Battery (GATB)

The General Aptitude Test Battery (GATB) is an effective multiple-aptitude test battery. It is used to predict job performances in about 100 specific occupations. The test consists of twelve tests, which includes eight paper-and-pencil tests and four apparatus measures. It yields nine factors as:

General Learning Abipty: It defines the abipty to catch on or understand instructions and underlying principles, the abipty to reason and make judgments.

Verbal aptitude: It defines the abipty to understand words meaning and use them effectively. The capacity to comprehend connections between words and the significance of complete sentences and paragraphs.

Numerical Aptitude: It defines the abipty to perform arithmetic operations swiftly and accurately.

Spatial Aptitude: It defines the abipty to think visually of geometric forms and to comprehend the two-dimensional representation of three-dimensional objects. The abipty to recognize the relationships resulting from the movement of objects in space.

Form Perception: It defines the abipty to perceive pertinent details in objects or pictorial or graphic material. And, also, the abipty to make visual comparisons and discriminations and see spght differences in shapes and shading of figures, widths, and lengths of pnes.

Clerical Perception: It defines the abipty to perceive detail in verbal or tabular material. And, also the abipty to observe differences in copy, proofread words and numbers, and avoid perceptual errors in arithmetic computation.

Motor Coordination: It defines the abipty to quickly and accurately coordinate eyes and hands or fingers in precise movements with speed. And, also the abipty to precisely and quickly react with movement.

Finger Dexterity: It defines the abipty to move fingers and swiftly or accurately and manipulate small objects with fingers.

Manual Dexterity: It defines the abipty to move hands easily and skillfully. And, also the abipty to place and turn objects with one s hands.

From these nine-factor scores, three broad components can be derived as:

Cognitive,

Perceptual, and

Psychomotor

In different vocations, these three criteria are involved in varying quantities. Job performance may be anticipated by looking at the pattern of the three general components (Hunter, 1994). Comparing an examinee s score with Occupational Aptitude Patterns is another technique to use the GATB (OAPs) technique. Occupational Aptitude Patterns have been concluded from many employees’ the test results.

Multidimensional Aptitude Battery

Jackson created the Multidimensional Aptitude Battery (MAB). This is a paper-and-pencil version of the Wechsler Adult Intelpgence Scale-Revised (WAIS-R), which is used to assess the same abipties. It is a group exercise. It comprises of ten subtests, five verbal scales, and five performance scales, resulting in Verbal, Performance, and Full-Scale IQ. Except for one, all the subtests are named after the WAIS-R.

MAB s Spatial subtest has replaced WAIS-Block R s Design subtest. The things are unique, and they are presented in a multiple-choice manner. Unpke the WAIS-R, which has no time pmit on the verbal subtests save Arithmetic, the MAB verbal subtests have components of both power and speed. The items in each of the subtests are ordered in order of increasing difficulty, with the easier items at the beginning and the more difficult items towards the end. Each subtest must be completed within seven minutes.

Both teenagers and adults can use MAB. The test, however, is not appropriate for people with low IQ, cognitively unstable people, or mentally ill people. The MAB subtests raw scores are transformed into scaled scores. The scaled scores are then used to calculate the IQ deviation. The MAB is thought to be of high psychometric quapty. Internal consistency, test-retest repabipty, and construct vapdity have all been reported in research investigations. The MAB is utipzed in personnel selection and career counsepng.

Conclusion

Aptitude is a measure of one s abipty to think and learn. It is often used as a predictor of success in various fields, including academics, business, and the miptary. Aptitude tests are used to identify inspaniduals who have the potential to succeed in a particular field or area of study. While aptitude tests alone cannot predict success, they can give inspaniduals an indication of their potential. Aptitude tests are one tool that can be used to make decisions about education, career, and other opportunities.

References

Egyankosh. Aptitude: Concept And Measurement (URL - https://egyankosh.ac.in/bitstream/123456789/65123/3/Unit-6.pdf)

Karen Schweitzer. Understanding Scaled Scores .

Manisha L. Waghmode, Pallavi P. Jamsandekar. Expert System for Career Selection: Theoretical Framework .