General Cognitive Ability Test

General Cognitive Ability Test

The General Cognitive Ability Test comprises assessments of verbal, numerical, spatial and abstract reasoning ability, which scores are combined to generate a General Cognitive Ability score, known as “g”. This resulting score reflects a person’s ability to solve problems, extract and apply information, learn new skills, and deal with complex situations. A person with a higher score is more likely to be a quick learner and good performer as compared to a person with a lower score.

Test properties

Type of test: Ability test

Useful for: Predicting job performance in various types of jobs

Time limit: 40 minutes

Number of test items: 40

Item response form: Multiple choice

Languages: English

Mode of Administration: Online

What the items measure

Verbal Ability:
Word Analogies, Spelling, Grammar.

Numerical Ability:
Number series, Numerical deductions.

Spatial Ability:
Object Folding, Spatial rotations.

Abstract Reasoning Ability:
Matrix Reasoning, Visual inferences.

Detailed Test Report

For every candidate completing the General Cognitive Ability Test, you will be able to download or print a detailed test report. The first page of the test report grants a quick overview of the candidate's overall performance on the test. The results of the candidate are compared to a norm group in order to get the percentile population score. For example, If a candidate has a score of 70, he/she scored as well or better than 70 percent of the 5,000 people who were part of our 2013 test norming study. You may choose to compare a candidate's results to the entire norm group or to a specified part of the norm group.

Click here to view a sample test report.

General Cognitive Ability Test Report

Evidence of Validity

An exploratory factor analysis was conducted of the validation study dataset. Results are interpreted through a scree plot below, which indicates that the best factorial structure for the test is that of only one factor. This is consistent with the unidimensional nature of GCA (General Cognitive Ability). Therefore, the predictive validity of the GCA construct can be generalized to the scores of this test.

Evidence of Reliability

The General Cognitive Ability Test has an appropriate level of internal consistency reliability, indicated by the following coefficients:

Cronbach's α: 0.83
McDonald's ω: 0.84

General Cognitive Ability Test Scree Plot


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