Type A behavior pattern, multiple-task performance, and subjective estimation of mental workload
DOI: 10.3758/bf03329777
archive: archived pipeline: cataloged verified
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Summary
This study investigates the relationship between the Type A behavior pattern, individual differences in multiple-task performance, and the dissociation between objective performance metrics and subjective estimates of mental workload. While previous research focused heavily on general time-sharing abilities, this work explores how the Type A personality trait—characterized by time urgency and a preference for rapid work pace—specifically influences performance under single- and dual-task conditions. The authors hypothesized that Type A individuals would perform better in multiple-task scenarios due to their inherent drive for speed, and that this behavioral pattern might explain discrepancies between how individuals perceive their workload and how they actually perform. The experiment involved sixteen right-handed female subjects, categorized into Type A (high scores on the Jenkins Activity Survey) and Type B (low scores) groups. Participants completed a series of information processing tasks, including memory search, choice reaction time, matrix rotation, running difference, classification, memory retention, and time estimation. These tasks were performed under both single-task and dual-task conditions. Performance was measured by accuracy and response time, while subjective workload was assessed using eight bipolar adjective scales covering dimensions such as frustration, fatigue, stress, and time pressure. Data were collected over three days, with subjects rating their workload after each task or task combination. The results indicated that under single-task conditions, Type A and Type B subjects differed significantly only in the slope of the memory-search task, with Type As demonstrating faster memory comparison speeds (36 msec) than Type Bs (68 msec). However, under dual-task conditions, Type A subjects consistently outperformed Type Bs. Significant performance advantages for Type As were observed in three of the four dual-task combinations, including faster response times in memory-classification, choice reaction time, and memory-search tasks. Additionally, Type As improved their accuracy in time estimation with practice, whereas Type Bs became less accurate. Subjective workload ratings revealed a notable dissociation: Type As reported less frustration and more fatigue under single-task conditions compared to dual-task conditions, while Type Bs reported the opposite pattern. The findings suggest that the Type A behavior pattern is a significant factor in explaining individual differences in multiple-task performance. Type A individuals perform better in complex, multi-demand environments, likely due to their characteristic time urgency. Furthermore, the study supports the existence of a dissociation between performance and subjective workload estimates, indicating that Type A individuals may perceive their workload differently than their objective performance suggests. This distinction helps clarify why subjective ratings often fail to predict performance accurately. The authors conclude that future research should examine how pacing, incentives, and task priorities further influence these dynamics between Type A and Type B individuals.
Key finding
Type A individuals demonstrated faster response times than Type B individuals on multiple dual-task combinations and exhibited distinct patterns in subjective frustration and fatigue ratings that dissociated from their superior performance.
Methodology
lab_experiment
Sample size: 16
Provenance
The full processing record for this entry. Every stage of this paper's journey through the pipeline is logged — what ran, with which tool and model, how many attempts it took, and when it last completed. Discovered via author_sweep_intake on 2026-05-27.
| Stage | Outcome | Tool | Model | Prompt | Attempts | Completed |
|---|---|---|---|---|---|---|
| discover | success | author_sweep | — | — | 2 | 2026-05-27 |
| archive | success | canonical_url | — | — | 1 | 2026-06-04 |
| extract | success | cached | — | — | 3 | 2026-06-10 |
| clean | success | clean | — | — | 1 | 2026-06-04 |
| chunk | success | chunk | — | — | 1 | 2026-06-04 |
| embed | success | embed | Qwen/Qwen3-Embedding-8B | — | 1 | 2026-06-04 |
| enrich | failed | — | — | — | 4 | 2026-07-02 |
| promote | success | — | — | — | 1 | 2026-06-04 |
| summarize | success | llm | qwen3.6-27b-prismaquant | summ-v5 | 2 | 2026-06-10 |
| tag | success | vector_similarity | — | — | 15 | 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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