The feasibility of computerized adaptive testing of the national benchmark test: A simulation study
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| Publicat a: | Journal of Pedagogical Research vol. 8, no. 2 (Jun 2024), p. 95-113 |
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Journal of Pedagogical Research
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| 022 | |a 2602-3717 | ||
| 024 | 7 | |a 10.33902/JPR.202425210 |2 doi | |
| 035 | |a 3264262810 | ||
| 045 | 2 | |b d20240601 |b d20240630 | |
| 100 | 1 | |a Musa Adekunle Ayanwale | |
| 245 | 1 | |a The feasibility of computerized adaptive testing of the national benchmark test: A simulation study | |
| 260 | |b Journal of Pedagogical Research |c Jun 2024 | ||
| 513 | |a Journal Article | ||
| 520 | 3 | |a The COVID-19 pandemic has had a significant impact on high-stakes testing, including the National Benchmark Tests in South Africa. Current linear testing formats have been criticized for their limitations, leading to a shift towards Computerized Adaptive Testing [CAT]. Assessments with CAT are more precise and take less time. Evaluation of CAT programs requires simulation studies. To assess the feasibility of implementing CAT in NBTs, SimulCAT, a simulation tool, was utilized. The SimulCAT simulation involved creating 10,000 examinees with a normal distribution characterized by a mean of 0 and a standard deviation of 1. A pool of 500 test items was employed, and specific parameters were established for the item selection algorithm, CAT administration rules, item exposure control, and termination criteria. The termination criteria required a standard error of less than 0.35 to ensure accurate abilities estimation. The findings from the simulation study demonstrated that fixed-length tests provided higher testing precision without any systematic error, as indicated by measurement statistics like CBIAS, CMAE, and CRMSE. However, fixed-length tests exhibited a higher item exposure rate, which could be mitigated by selecting items with fewer dependencies on specific item parameters (a-parameters). On the other hand, variable-length tests demonstrated increased redundancy. Based on these results, CAT is recommended as an alternative approach for conducting NBTs due to its capability to accurately measure individual abilities and reduce the testing duration. For high-stakes assessments like the NBTs, fixed-length tests are preferred as they offer superior testing precision while minimizing item exposure rates. | |
| 651 | 4 | |a Africa | |
| 653 | |a Simulation | ||
| 653 | |a Item Analysis | ||
| 653 | |a Computer Assisted Testing | ||
| 653 | |a Adaptive Testing | ||
| 653 | |a High Stakes Tests | ||
| 653 | |a Test Items | ||
| 653 | |a Algorithms | ||
| 700 | 1 | |a Ndlovu, Mdutshekelwa | |
| 773 | 0 | |t Journal of Pedagogical Research |g vol. 8, no. 2 (Jun 2024), p. 95-113 | |
| 786 | 0 | |d ProQuest |t Education Database | |
| 856 | 4 | 1 | |3 Citation/Abstract |u https://www.proquest.com/docview/3264262810/abstract/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |
| 856 | 4 | 0 | |3 Full Text - PDF |u https://www.proquest.com/docview/3264262810/fulltextPDF/embedded/L8HZQI7Z43R0LA5T?source=fedsrch |