What is a major benefit of reducing batch size?

Question

Options

• AIncreases visibility
• BDecreases stress on the system
• CIncreases work in process
• DIncreases throughput

• A
  5% (2)
• C
  2% (1)
• D
  93% (40)

Explanation

Reducing batch size is a foundational lean/agile principle: smaller batches move through a system with less queuing and waiting, which shortens cycle time and directly increases throughput (the rate at which work is completed). This follows Little's Law - lower WIP and shorter cycle time yields higher throughput.

Why the distractors are wrong:

• A (Increases visibility) - Visibility is a real benefit of smaller batches (faster feedback loops), but it's a secondary effect, not the major benefit the question targets.
• B (Decreases stress on the system) - Smaller batches actually increase the frequency of handoffs and processing cycles, which can add load to the system, not reduce it.
• C (Increases work in process) - This is the opposite of reality; reducing batch size decreases WIP, which is one of the mechanisms behind the throughput gain.

Memory tip: Picture a highway toll booth - sending cars through one at a time (small batches) keeps traffic flowing continuously, while a bus (large batch) holds everything up until it clears. Smaller = faster flow = more throughput.

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