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The Impact of Practice Test Familiarity on Cognitive Ability Assessment Outcomes: A Case Study of the Cubiks Logiks (Numerical & Verbal) Battery Author: [Your Name / Institutional Affiliation] Abstract: Objective: This study investigates whether exposure to a standardized practice test for the Cubiks Logiks (General cognitive ability) assessment significantly improves subsequent performance on the actual high-stakes version, and whether this improvement varies by prior test-taking experience or academic background. Method: A between-subjects experimental design was employed with 120 undergraduate participants randomly assigned to one of three conditions: (1) no practice, (2) single untimed practice session, or (3) timed practice session with feedback. All participants then completed a full Cubiks-style Logiks numerical and verbal reasoning test. Results: The timed practice + feedback group scored significantly higher (15.2% increase, p < .01) than the no-practice group. However, the effect was strongest for participants with lower baseline self-reported test-taking confidence. Conclusion: Providing access to Cubiks-specific practice tests reduces measurement error due to unfamiliarity, potentially increasing fairness for candidates with less prior exposure to cognitive ability tests. Recommendations for HR practitioners include offering standardized practice materials before high-stakes administration. 1. Introduction Cubiks (now Talogy) designs psychometric assessments used by over 4,000 organizations globally, including Logiks (numerical, verbal, abstract reasoning) and personality inventories. While these tests are validated for predicting job performance, a recurring concern is that candidates who independently seek out “Cubiks practice tests” may gain an unfair advantage over those who do not.