Introduction

The Attention Concentration Test (ACT) is a computerized attention concentration test. The test can also be used as an intelligence-screening test. The test differs from standard Intelligence tests in three ways:

The Attention Concentration Test was primarily developed to assess concentration ability. It also evaluates mental processing speed. Additionally,

the test can be used as a practice tool

to improve the productivity of the testee's mental capacity.

The test is based on the following assumptions:

The test is especially developed as an intelligence-screening test for primary and secondary schools.

The construction of the test as well as the evaluation of the test results are based on the Inhibition Theory.