Characteristics and effectiveness of the Fairfax, Virginia ASAP driver improvement schools.
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Summary
This 1973 report evaluates the characteristics and effectiveness of two driver improvement schools (DIS) operating under the Fairfax, Virginia Alcohol Safety Action Project (ASAP). The programs, conducted by Northern Virginia Community College (NVCC) and Fairfax County Public Schools (FCPS), aim to reduce drunken driving by reeducating individuals classified as social drinkers. The study’s primary objective was to determine if these schools effectively changed participants' knowledge, attitudes, and driving performance, and to compare the efficacy of the two programs. The NVCC program consisted of eight two-hour sessions covering alcohol’s effects on the body and driving, legal consequences, and alternatives to drinking and driving. The FCPS program utilized a similar curriculum. The evaluation methodology relied on pre- and post-course knowledge tests, attitude assessments, and recidivism rates (DWI arrests, convictions, and accidents). However, significant data limitations hindered the analysis. The FCPS program used inconsistent scoring techniques across classes, rendering its knowledge data unusable. NVCC data was restricted to classes 5–41 due to initial design changes and missing records. Furthermore, the absence of a control group and non-standardized attitude measurement tools prevented objective comparisons between programs or definitive assessments of behavioral change. The primary finding concerns NVCC participants, who demonstrated a statistically significant increase in knowledge scores from pretest to posttest. The mean score rose from 25.5 to 29.0 for all students, with similar gains observed in subgroups of appropriately and inappropriately referred individuals. However, the author notes that this improvement cannot be solely attributed to the curriculum, as instructors reviewed the pretest answers with students after completion, potentially inflating posttest results. Regarding recidivism, NVCC graduates had a DWI arrest rate of 5.15 per 100 students; however, the short follow-up period and lack of a control group made this statistic meaningless for determining program effectiveness. Objective evaluation of attitude changes was impossible due to the lack of valid scientific instruments, relying instead on subjective instructor observations. The report concludes that the initial evaluation model was overly ambitious given the data collection realities. It recommends implementing a standardized multiple-choice knowledge test to control for guessing, prohibiting pretest reviews to ensure valid posttest measurement, and adopting standardized attitude surveys. Additionally, the author urges the centralization and standardization of probation office files to facilitate future comparative analyses and more robust evaluations of program effectiveness.
Key finding
NVCC participants demonstrated a statistically significant increase in knowledge test scores from pre- to post-test administration.
Methodology
lab_experiment
Sample size: 466
Provenance
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| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | rosap | — | — | 2 | 2026-05-23 |
| archive | success | — | — | — | 1 | 2026-05-23 |
| extract | success | cached | — | — | 2 | 2026-06-10 |
| clean | success | — | — | — | 1 | 2026-06-01 |
| chunk | success | — | — | — | 1 | 2026-06-01 |
| embed | success | — | — | — | 1 | 2026-06-02 |
| enrich | success | — | — | — | 1 | 2026-05-23 |
| promote | success | — | — | — | 1 | 2026-05-23 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 3 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 19 | 2026-06-11 |
| verify | success | — | — | — | 2 | 2026-06-10 |
Summary generated by qwen3.6-27b-prismaquant on 2026-06-10; verification: verified.
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- Applied Guidance: countermeasure evaluation
- Methodological Resource: validation psychometrics