The APIS-Z(R) Test Battery
Authors of the battery: Anna Ciechanowicz, Aleksandra Jaworowska, Anna Matczak, Teresa Szuster, Emilia Wrocławska-Warchala. Authors of the manual: Anna Matczak, Radosław Wujcik, Joanna Stańczak, Aleksandra Jaworowska, Emilia Wrocławska-Warchala.

Description: The APIS-Z(R) Test Battery is a multidimensional tool designed to assess general intelligence. Such definition of what is measured refers to the hierarchical theories of intelligence (Vernon, 1965; Carroll, 1993). According to this conception there exists a general and hidden intellectual skill on which other, more precise types of skills are based. Another important theoretical assumption of the test is that the measurement refers to the level of crystallized intelligence (Cattel, 1971) which is defined as a skill conditioned by the experience of an individual  and used to solve specific problems. Despite the fact that the administration time of various tests from the APIS-Z (R) battery is limited it is assumed that they are rather tests of “power” and not of “speed”.

The APIS-Z (R) is a revised version of the APIS-Z battery. It consists of eight tests: Behaviours, Squares, Synonyms, Classification, Number Transformations, New Words, Blocks, Stories. Theoretical structure of the APIS-Z takes into account four types of skills: abstract-logical, verbal, visual-spatial and social. Each of these skills is represented by two tests. Compared with the first edition of the APIS-Z the new version includes a number of revisions the purpose of which was to eliminate certain weaknesses of the tool. On that occasion a new study was conducted to prove validity of the tool in the context of career counselling and selection processes. Updated norms were also developed for the adult population and for the population of students graduating from high school.

Reliability: High internal consistency of the general score, moderately high consistencies of the  component tests. High stability for adults and moderately high stability for high school students.

Validity: Moderately strong association of the APIS-Z(R) general score with scores of the TMZ and Raven's tests; slightly weaker association in the case of the component tests scores. Weak or moderately strong associations of the APIS-Z(R) scores with creativity tests scores (TCT-DP and TPE).

In the student sample the APIS-Z(R) scores are positively correlated with school grades, although correlation is not very high. The scores, however, allow to predict learning difficulties (average grade < 3,0 or C). In the adult sample score profiles in the component tests are different in the groups differentiated by the type of education and work. The scores also differentiate persons with high school education from those with university diploma.

No significant differences occur between the paper-and-pencil version and the electronic version available on the Epsilon platform.

Norms: For adults aged 20-67 with high school and university education (general norms and specific ones for each of the five age levels). For students graduating from general and technical high schools.

Applicability: Selection, recruitment and career counselling.

Administration procedure: for individual and group examinations. Paper-and-pencil version together with electronic version available on the Epsilon platform. Total administration time: 60 min.

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