What question did this study set out to answer?

The aim was to evaluate the cost-effectiveness of process-control systems in South Africa through a randomized field trial.

March 7, 2026Open Access

Methodological Evaluation of Process-Control Systems in South Africa: A Randomized Field Trial on Cost-Effectiveness Assessment

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Randomized field trial assesses cost-effectiveness of process-control systems, suggesting improvements in engineering applications.

The aim was to evaluate the cost-effectiveness of process-control systems in South Africa through a randomized field trial.
Conducted a randomized field trial with process-control systems installed at various sites in South Africa.
Collected continuous data over a one-year period to monitor system performance and costs.
Analyzed cost savings in comparison to traditional control methods.
Average cost savings per site reached approximately 25%, indicating improved efficiency.
Outcomes varied significantly based on application contexts, highlighting the need for tailored approaches.
Empirical evidence supports the effectiveness of process-control systems for cost management.

Mokgohloa et al. (2008) studied this question.

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