Examination of reliability of the AIST cognitive aging battery by using the test-retest method.
DOI: 10.4992/pacjpa.75.0_1ev079
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Summary
This study examines the reliability of the AIST Cognitive Aging Battery (AIST-CAT), a tool designed to assess cognitive aging, by employing a test-retest method. The research was motivated by the need to validate the consistency of this battery, which was developed to evaluate cognitive functions in older adults. The authors, Satoru Suto and Takatune Kumada, aimed to determine if the test yields stable results over time, a critical factor for its usability in clinical and research settings. The experimental design involved two testing sessions conducted with a sample of 209 participants aged between 60 and 79 years (mean age 69.02). The first session took place between March and June 2010, while the second session occurred between October and December 2010. During the interval, 32 participants dropped out, leaving 177 individuals for the final analysis. The AIST-CAT consists of several subtests measuring various cognitive domains, including attention, memory, and executive function. The study specifically analyzed the percentile scores of the participants in both sessions to assess test-retest reliability. The results indicated that the AIST-CAT demonstrated acceptable reliability for most subtests. The study compared the percentile scores from the first and second administrations, focusing on the stability of performance across different cognitive domains. Specifically, the analysis looked at the distribution of scores and the consistency of individual performance over the testing period. The findings showed that the majority of the subtests maintained stable percentile rankings between the two sessions, suggesting that the battery provides consistent measurements of cognitive ability in older adults. However, some variability was observed in certain subtests, highlighting areas where the test might be less stable or more susceptible to practice effects or other external factors. The significance of this study lies in its contribution to the validation of the AIST-CAT as a reliable instrument for assessing cognitive aging. By demonstrating the test-retest reliability of the battery, the authors provide evidence supporting its use in longitudinal studies and clinical assessments. The findings suggest that the AIST-CAT can be effectively used to monitor changes in cognitive function over time, which is crucial for understanding the aging process and identifying potential cognitive decline. This validation enhances the utility of the AIST-CAT in both research and practical applications, ensuring that it can serve as a dependable tool for evaluating cognitive health in older populations.
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | Crossref | — | — | 1 | 2026-06-11 |
| archive | success | canonical_url | — | — | 1 | 2026-06-25 |
| extract | success | pdftotext | — | — | 2 | 2026-06-26 |
| clean | success | clean | — | — | 1 | 2026-06-26 |
| chunk | success | chunk | — | — | 1 | 2026-06-26 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-26 |
| enrich | failed | — | — | — | 5 | 2026-07-05 |
| promote | success | — | — | — | 1 | 2026-06-11 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 1 | 2026-06-25 |
| tag | success | vector_similarity | — | — | 6 | 2026-06-26 |
| verify | success | — | — | — | 1 | 2026-06-26 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-25; verification: verified.
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